3 Description of VoLTE_KPIs Metrics > 3.2 Metric Description

3.2 Metric Description
Metric
Category
Start event
End event
Triggering event
Description
EventName
.Common
 
 
Multiple session events
Event label (e.g. 'Session Attempt', 'Session Setup Failure' etc.)
HandoverInterruptionTimeUserPlane
.Common
Last RTP packet in old cell
First RTP packet in new cell
 
Handover interruption time measured on user plane
HandoverInterruptionTimeVoiceUserPlane
.Common
RRC Connection Reconfiguration indicating handover
RRC Connection Reconfiguration Complete
 
Handover interruption time measured on control plane
LogfileName
.Common
 
 
Multiple session events
Log file name at the time of various session events ('Session Attempt', 'Session Established', 'Session Completion Success', etc.)
PCAPtimestamp
.Common
 
 
Multiple session events
PCap timestamp at the time of various session events ('Session Attempt', 'Session Established', 'Session Completion Success', etc.)
PortNumberVideoStream
.Common
 
 
"Session Attempt (SIP Invite)
PortNumberVideoStream
RedirectionResponseLogfileName
.Common
 
 
Redirection Response
Log file name at the time of 'Redirection Response' event
SessionEstablishedFailureLogfileName
.Common
 
 
Session Established Failure
Log file name at the time of 'Session Established Failure' event
SubscribeFailureLogfileName
.Common
 
 
Presence Subscription Failure
Log file name at the time of 'Presence Subscription Failure' event
CallAnswerFailureCause
Call Start
 
 
Call Answer Failure
Call answer failure cause
CallAnswerFailureRate
Call Start
 
 
Answer End
"100 (Failure) reported for event status 'Succeeded'.
0 (Success) reported for event status 'Failed' or 'Stopped by Timeout'."
CallAnswerSuccessRate
Call Start
 
 
Answer End
"100 (Success) reported for event status 'Succeeded'.
0 (Failure) reported for event status 'Failed' or 'Stopped by Timeout'."
CallInitiationDelay
Call Start
Dial Start
SIP Invite
 
Time from 'Dial Start' to initial SIP Invite in seconds
CallInitiationFailureCause
Call Start
 
 
Call Initiation Failure
Call initiation failure cause
CallInitiationFailureRate
Call Start
 
 
"Session Attempt (SIP Invite)
100 (Failure) reported for 'Call Initiation Failure' event.
0 (Success) reported for 'Session Attempt (SIP Invite)' event if 'Dial Start' was previously received (MO device).
CallInitiationSuccessRate
Call Start
 
 
"Session Attempt (SIP Invite)
CallInitiationSuccessRate
100 (Success) reported for 'Session Attempt (SIP Invite)' event if 'Dial Start' was previously received (MO device).
0 (Failure) reported for 'Call Initiation Failure' event.
CallAnswerFailureCellId
Call Start Failure
 
 
Call Answer Failure
Serving cell identity at the time of the time of 'Call Answer Failure' event
CallAnswerFailureIMEI
Call Start Failure
 
 
Call Answer Failure
IMEI at the time of 'Call Answer Failure' event
CallAnswerFailureIMSI
Call Start Failure
 
 
Call Answer Failure
IMSI at the time of 'Call Answer Failure' event
CallAnswerFailureLatitude
Call Start Failure
 
 
Call Answer Failure
Latitude at the time of 'Call Answer Failure' event
CallAnswerFailureLogfileName
Call Start Failure
 
 
Call Answer Failure
Log file name at the time of 'Call Answer Failure' event
CallAnswerFailureLongitude
Call Start Failure
 
 
Call Answer Failure
Longitude at the time of 'Call Answer Failure' event
CallAnswerFailureRAT
Call Start Failure
 
 
Call Answer Failure
Radio Access Technology at the time of 'Call Answer Failure' event
CallAnswerFailureServingCellEARFCN
Call Start Failure
 
 
Call Answer Failure
Serving cell DL EARFCN at the time of 'Call Answer Failure' event
CallAnswerFailureServingCellPCI
Call Start Failure
 
 
Call Answer Failure
Serving cell PCI at the time of 'Call Answer Failure' event
CallAnswerFailureServingCellRSRP
Call Start Failure
 
 
Call Answer Failure
Serving cell RSRP at the time of 'Call Answer Failure' event
CallAnswerFailureServingCellRSRQ
Call Start Failure
 
 
Call Answer Failure
Serving cell RSRQ at the time of 'Call Answer Failure' event
CallAnswerFailureServingCellSNR
Call Start Failure
 
 
Call Answer Failure
Serving cell RS CINR at the time of 'Call Answer Failure' event
CallAnswerFailureServingChannelRSSI
Call Start Failure
 
 
Call Answer Failure
Serving cell channel RSSI at the time of 'Call Answer Failure' event
CallAnswerFailureSetupFailureCause
Call Start Failure
 
 
Call Answer Failure
Session setup failure cause at the time of 'Call Answer Failure' event
CallAnswerFailureTimestamp
Call Start Failure
 
 
Call Answer Failure
Timestamp of 'Call Answer Failure' event
CallInitiationFailureCellId
Call Start Failure
 
 
Call Initiation Failure
Serving cell identity at the time of the time of 'Call Initiation Failure' event
CallInitiationFailureIMEI
Call Start Failure
 
 
Call Initiation Failure
IMEI at the time of 'Call Initiation Failure' event
CallInitiationFailureIMSI
Call Start Failure
 
 
Call Initiation Failure
IMSI at the time of 'Call Initiation Failure' event
CallInitiationFailureLatitude
Call Start Failure
 
 
Call Initiation Failure
Latitude at the time of 'Call Initiation Failure' event
CallInitiationFailureLogfileName
Call Start Failure
 
 
Call Initiation Failure
Log file name at the time of 'Call Initiation Failure' event
CallInitiationFailureLongitude
Call Start Failure
 
 
Call Initiation Failure
Longitude at the time of 'Call Initiation Failure' event
CallInitiationFailureRAT
Call Start Failure
 
 
Call Initiation Failure
Radio Access Technology at the time of 'Call Initiation Failure' event
CallInitiationFailureServingCellEARFCN
Call Start Failure
 
 
Call Initiation Failure
Serving cell DL EARFCN at the time of 'Call Initiation Failure' event
CallInitiationFailureServingCellPCI
Call Start Failure
 
 
Call Initiation Failure
Serving cell PCI at the time of 'Call Initiation Failure' event
CallInitiationFailureServingCellRSRP
Call Start Failure
 
 
Call Initiation Failure
Serving cell RSRP at the time of 'Call Initiation Failure' event
CallInitiationFailureServingCellRSRQ
Call Start Failure
 
 
Call Initiation Failure
Serving cell RSRQ at the time of 'Call Initiation Failure' event
CallInitiationFailureServingCellSNR
Call Start Failure
 
 
Call Initiation Failure
Serving cell RS CINR at the time of 'Call Initiation Failure' event
CallInitiationFailureServingChannelRSSI
Call Start Failure
 
 
Call Initiation Failure
Serving cell channel RSSI at the time of 'Call Initiation Failure' event
CallInitiationFailureTimestamp
Call Start Failure
 
 
Call Initiation Failure
Timestamp of 'Call Initiation Failure' event
HandoverInterruptionTimeUserPlaneRTP
Handover
Last RTP packet in old cell
First RTP packet in new cell
RTP packet received
Time interval between consecutive RTP packets with EUTRAN handover complete or failure logged in the interim
SRVCCHandoverInterruptionTimeUserPlane
Handover
Last RTP packet in old cell
First AMR packet in new cell
AMR packet received
Time interval between last RTP packet received before SRVCC handover and first AMR packet received in 2G/3G
MessageAccessDelay
IM
SIP Message
SIP 200 Ok (Message)
MESSAGE Submitted Ack
Time between 'MESSAGE Sent Attempt' and 'MESSAGE Submitted'. Reported for MO device.
MessageDeliveryReportDelay
IM
SIP Message
SIP 202 Accepted (Message)
MESSAGE Delivery Report Success
Time between SIP Message is sent by MT device until receiving SIP 202 Accepted response
MessageDeliveryReportFailureCause
IM
 
 
MESSAGE Delivery Report Failure
Message delivery report failure cause reported for MT device
MessageDeliveryReportFailureRate
IM
 
 
MESSAGE Delivery Report Success
MESSAGE Delivery Report Failure
100 (Failure) reported for 'MESSAGE Delivery Report Failure' event.
0 (Success) reported for 'MESSAGE Delivery Report Success' event.
MessageDeliveryReportFailureResponseCode
IM
 
 
MESSAGE Delivery Report Failure
SIP error code logged with 'MESSAGE Delivery Report Failure' event. Value 1000 assigned to failures triggered by internal TEMS discovery timer expiry.
MessageDeliveryReportSuccessRate
IM
 
 
MESSAGE Delivery Report Success
MESSAGE Delivery Report Failure
100 (Success) reported for 'MESSAGE Delivery Report Success' event.
0 (Failure) reported for 'MESSAGE Delivery Report Failure' event.
MessageReceivedAckDelay
IM
SIP Message
SIP 200 Ok (Message)
MESSAGE Received Ack
Time between SIP Message is received by MT device until sending SIP 200 Ok response
MessageReceivedAckFailureCause
IM
 
 
MESSAGE Received Ack Failure
Message received Ack failure cause reported for MT device
MessageReceivedAckFailureRate
IM
 
 
MESSAGE Received Ack
MESSAGE Received Ack Failure
100 (Failure) reported for 'MESSAGE Received Ack Failure' event.
0 (Success) reported for 'MESSAGE Received Ack' event.
MessageReceivedAckFailureResponseCode
IM
 
 
MESSAGE Received Ack Failure
SIP error code logged with 'MESSAGE Received Ack Failure' event. Value 1000 assigned to failures triggered by internal TEMS discovery timer expiry.
MessageReceivedAckSuccessRate
IM
 
 
MESSAGE Received Ack
MESSAGE Received Ack Failure
100 (Success) reported for 'MESSAGE Received Ack' event.
0 (Failure) reported for 'MESSAGE Received Ack Failure' event.
MessageSentDelay
IM
SIP Message
SIP 202 Accepted (Message)
MESSAGE Sent Success
Time between SIP Message is sent by MO device until receiving SIP 202 Accepted response
MessageSentFailureCause
IM
 
 
MESSAGE Sent Failure
Message sent failure cause reported for MO device
MessageSentFailureRate
IM
 
 
MESSAGE Sent Success
MESSAGE Sent Failure
100 (Failure) reported for 'MESSAGE Sent Failure' event.
0 (Success) reported for 'MESSAGE Sent Success' event.
MessageSentFailureResponseCode
IM
 
 
MESSAGE Sent Failure
SIP error code logged with 'MESSAGE Sent Failure' event. Value 1000 assigned to failures triggered by internal TEMS discovery timer expiry.
MessageSentSuccessRate
IM
 
 
MESSAGE Sent Success
MESSAGE Sent Failure
100 (Success) reported for 'MESSAGE Sent Success' event.
0 (Failure) reported for 'MESSAGE Sent Failure' event.
MessageServiceNonAccessibility
IM
 
 
Multiple, see description
0 (Success) reported for 'MESSAGE Submitted Ack' event.
100 (Failure) reported for 'MESSAGE Sent Failure' and 'MESSAGE Submitted Ack Failure' events and on MessageAccessDelayTimeout internal timer expiry measuring time between 'MESSAGE Sent Attempt' and 'MESSAGE Submitted'.
MessageSubmittedAckDelay
IM
SIP Message
SIP 200 Ok (Message)
MESSAGE Submitted Ack
Time between SIP Message is received by MO device until sending SIP 200 Ok response
MessageSubmittedAckFailureCause
IM
 
 
MESSAGE Submitted Ack Failure
Message submitted Ack failure cause reported for MO device
MessageSubmittedAckFailureRate
IM
 
 
MESSAGE Submitted Ack
MESSAGE Submitted Ack Failure
100 (Failure) reported for 'MESSAGE Submitted Ack Failure' event.
0 (Success) reported for 'MESSAGE Submitted Ack' event.
MessageSubmittedAckFailureResponseCode
IM
 
 
MESSAGE Submitted Ack Failure
SIP error code logged with 'MESSAGE Submitted Ack Failure' event. Value 1000 assigned to failures triggered by internal TEMS discovery timer expiry.
MessageSubmittedAckSuccessRate
IM
 
 
MESSAGE Submitted Ack
MESSAGE Submitted Ack Failure
100 (Success) reported for 'MESSAGE Submitted Ack' event.
0 (Failure) reported for 'MESSAGE Submitted Ack Failure' event.
EPSBearerIdentityQCI1Setup
LTE
 
 
Session Attempt (SIP Invite)
ESM Bearer resource allocation reject
ESM Deactivate EPS bearer context request
Activate Dedicated EPS Bearer Context Request
0 reported for initial SIP Invite, ESM Bearer resource allocation reject (QCI 1) and ESM Deactivate EPS bearer context request (QCI 1)
1 reported for Activate dedicated EPS bearer context request (QCI 1)
EPSBearerIdentityQCI6Setup
LTE
 
 
ESM Bearer resource allocation reject
ESM Deactivate EPS bearer context request
Activate Dedicated EPS Bearer Context Request
0 reported for ESM Bearer resource allocation reject (QCI 6) and ESM Deactivate EPS bearer context request (QCI 6)
1 reported for Activate dedicated EPS bearer context request (QCI 6)
EPSBearerIdentityQCI8Setup
LTE
 
 
ESM Bearer resource allocation reject
ESM Deactivate EPS bearer context request
Activate Dedicated EPS Bearer Context Request
0 reported for ESM Bearer resource allocation reject (QCI 8) and ESM Deactivate EPS bearer context request (QCI 8)
1 reported for Activate dedicated EPS bearer context request (QCI 8)
GuaranteedBitRateDL
LTE
 
 
Activate Dedicated EPS Bearer Context Request
Guaranteed bit rate downlink
GuaranteedBitRateUL
LTE
 
 
Activate Dedicated EPS Bearer Context Request
Guaranteed bit rate uplink
QCI
LTE
 
 
Activate Dedicated EPS Bearer Context Request
QoS Class Identifier
PresenceSubscriptionDelay
Presence
SIP Subscribe
SIP 200 Ok (Notify)
Presence Subscription Success
Time from SIP Subscribe to SIP 200 Ok (Notify) response
PublishRequestDelay
Presence
SIP Publish
SIP 200 Ok (Publish)
Publish Request Success
Time from SIP Publish to SIP 200 Ok (Publish) response. Reported only when initial SIP Publish message Event field includes ‘presence’.
PublishRequestFailureCause
Presence
 
 
Publish Request Failure
Publish request failure cause. Reported only when initial SIP Publish message Event field includes ‘presence’.
PublishRequestFailureRate
Presence
 
 
Publish Request Success
Publish Request Failure
100 (Failure) reported for 'Publish Request Failure' event.
0 (Success) reported for 'Publish Request Success' event.
Reported only when initial SIP Publish message Event field includes ‘presence’.
PublishRequestFailureResponseCode
Presence
 
 
Publish Request Failure
SIP error code logged with 'Publish Request Failure' event. Value 1000 assigned to failures triggered by internal TEMS discovery timer expiry.
Reported only when initial SIP Publish message Event field includes ‘presence’.
PublishRequestSuccessRate
Presence
 
 
Publish Request Success
Publish Request Failure
100 (Success) reported for 'Publish Request Success' event.
0 (Failure) reported for 'Publish Request Failure' event.
Reported only when initial SIP Publish message Event field includes ‘presence’.
SubscribeExpiresValue
Presence
 
 
Subscribe Request
SIP Subscribe Expires field value. Reported only when initial SIP Subscribe message Event field includes ‘presence’.
SubscribeRequestDelay
Presence
SIP Subscribe
SIP 200 Ok (Subscribe)
Subscribe Request Success
Time from SIP Subscribe to SIP 200 Ok (Subscribe) response. Reported only when initial SIP Subscribe message Event field includes ‘presence’.
SubscribeRequestFailureCause
Presence
 
 
Subscribe Request Failure
Subscribe request failure cause. Reported only when initial SIP Subscribe message Event field includes ‘presence’.
SubscribeRequestFailureResponseCode
Presence
 
 
Subscribe Request Failure
SIP error code logged with 'Subscribe Request Failure' event. Value 1000 assigned to failures triggered by internal TEMS discovery timer expiry. Reported only when initial SIP Subscribe message Event field includes ‘presence’.
SubscribeType
Presence
 
 
Subscribe Request
Subscribe request type. 'Unsubscribe' reported for Expires value 0, 'Subscriber' reported otherwise. Reported only when initial SIP Subscribe message Event field includes ‘presence’.
RegisterPANI
Registration
 
 
SIP Register
P-Access-Network-Info
SIPRegisterExpiresValue
Registration
 
 
SIP Register
SIP Register Expires field value
SIPRegistrationDelay
Registration
SIP Register
SIP 200 Ok (Register)
SIP Registration Success
Time from SIP Register to SIP 200 Ok (Register) response
SIPRegistrationDelayAttach
Registration
Attach Request
SIP 200 Ok (Register)
SIP Registration Success
Time from Attach Request to SIP 200 Ok (Register)
SIPRegistrationDelayC1
Registration
SIP Register
SIP 200 Ok (Register)
SIP Registration Success C1 (401 Unauthorized)
SIP registration delay for attempt logged after SIP 401 (Unauthorized) response on initial request
SIPRegistrationDelayC2
Registration
SIP Register
SIP 200 Ok (Register)
SIP Registration Success C2 (Re-registration)
SIP registration delay for calculated for successful re-registration
SIPRegistrationDelayC3
Registration
SIP Register
SIP 200 Ok (Register)
SIP Registration Success C3 (Notify)
SIP registration delay for calculated for successful registration with notification
SIPRegistrationFailureCause
Registration
 
 
SIP Registration Failure
SIP registration failure cause
SIPRegistrationFailureResponseCode
Registration
 
 
SIP Registration Failure
SIP error code logged with 'SIP Registration Failure' event. Value 1000 assigned to failures triggered by internal TEMS discovery timer expiry.
SIPRegistrationState
Registration
 
 
Multiple session events
SIP registration state according to RFC 3680
SIPRegistrationSuccessRate
Registration
 
 
Session Registration Success
Session Registration Failure
100 (Success) reported for 'Session Registration Success' event.
0 (Failure) reported for 'Session Registration Failure' event.
RegistrationFailureCallId
Registration Failure
 
 
Session Registration Failure
Call Id at the time of 'Session Registration Failure' event
RegistrationFailureCellId
Registration Failure
 
 
Session Registration Failure
Cell Id information from ‘P-Access-Network-Info’ SIP code field at the time of 'Session Registration Failure' event
RegistrationFailureIMEI
Registration Failure
 
 
Session Registration Failure
IMEI at the time of 'Session Registration Failure' event
RegistrationFailureIMSI
Registration Failure
 
 
Session Registration Failure
IMSI at the time of 'Session Registration Failure' event
RegistrationFailureLatitude
Registration Failure
 
 
Session Registration Failure
Latitude at the time of 'Session Registration Failure' event
RegistrationFailureLogfileName
Registration Failure
 
 
Session Registration Failure
Log file name at the time of 'Session Registration Failure' event
RegistrationFailureLongitude
Registration Failure
 
 
Session Registration Failure
Longitude at the time of 'Session Registration Failure' event
RegistrationFailureMDN
Registration Failure
 
 
Session Registration Failure
Calling party number at the time of 'Session Registration Failure' event
RegistrationFailureRAT
Registration Failure
 
 
Session Registration Failure
Radio Access Technology at the time of 'Session Registration Failure' event
RegistrationFailureServingCellPCI
Registration Failure
 
 
Session Registration Failure
Serving cell PCI at the time of 'Session Registration Failure' event
RegistrationFailureServingCellRSRP
Registration Failure
 
 
Session Registration Failure
Serving cell RSRP at the time of 'Session Registration Failure' event
RegistrationFailureServingCellRSRQ
Registration Failure
 
 
Session Registration Failure
Serving cell RSRQ at the time of 'Session Registration Failure' event
RegistrationFailureServingCellSNR
Registration Failure
 
 
Session Registration Failure
Serving cell RS CINR at the time of 'Session Registration Failure' event
RegistrationFailureServingChannelRSSI
Registration Failure
 
 
Session Registration Failure
Serving cell channel RSSI at the time of 'Session Registration Failure' event
RegistrationFailureTimestamp
Registration Failure
 
 
Session Registration Failure
Timestamp of 'Session Registration Failure' event
InterarrivalJitterRTCP
RTCP
 
 
RTCP packet logged
Interarrival jitter extracted from RTCP packet pertinent to audio stream
InterarrivalJitterRTCPVideo
RTCP
 
 
RTCP packet logged
Interarrival jitter extracted from RTCP packet pertinent to video stream
RoundTripDelay
RTCP
 
 
RTCP packet logged
Round trip delay extracted from RTCP packet pertinent to audio stream
RoundTripDelayVideo
RTCP
 
 
RTCP packet logged
Round trip delay extracted from RTCP packet pertinent to video stream
CodecRate
RTP
 
 
RTP packet received
Audio codec rate
CodecUsed
RTP
 
 
SIP Invite
Audio codec type (AMR, AMR-WB)
ConsecutivePacketsLost
RTP
 
 
RTP packet sequence number skipped at reception
Number of audio packets lost since the last received packet
ConsecutivePacketsLostVideo
RTP
 
 
RTP packet sequence number skipped at reception
Number of video packets lost since the last received packet
DecodingErrors
RTP
 
 
Recurring timer (1s)
Percentage of VoIP audio frames that could not be decoded by the speech codec. Updated once every second.
FERCombinedPacketLoss
RTP
 
 
Recurring timer (1s)
Total percentage of VoIP packet loss that affects the reproduction of the audio. Encompasses decoding errors, underruns, and jitter buffer size increases. Should in general correlate closely to PESQ and POLQA. Updated once every second.
FrameInterarrivalTimeVideo
RTP
 
 
RTP packet received
Time interval since the last received video frame (video packet with FU header start bit set)
InterarrivalJitter
RTP
 
 
RTP packet received
Interarrival jitter calculated for audio stream according to RFC 3550
InterarrivalJitterVideo
RTP
 
 
RTP packet received
Interarrival jitter calculated for video stream according to RFC 3550
JitterBufferOverruns
RTP
 
 
Recurring timer (1s)
Percentage of VoIP audio frames with overruns. Updated once every second.
JitterBufferSizeIncrease
RTP
 
 
Recurring timer (1s)
Percentage of audio frames where the VoIP client decided to increase the jitter buffer size (because the jitter was found to be too high). This procedure results in a period of silence in the audio reproduction as the jitter buffer accumulates packets without releasing any. Updated once every second.
JitterBufferUnderruns
RTP
 
 
Recurring timer (1s)
Percentage of VoIP audio frames where the jitter buffer was empty and had no packets to deliver to the speech decoder. Updated once every second.
MOSequenceNumberReceived
RTP
 
 
RTP packet received
MO device received audio packet sequence number
MOSequenceNumberReceivedVideo
RTP
 
 
RTP packet received
MO device received video packet sequence number
MOSequenceNumberSent
RTP
 
 
RTP packet sent
MO device sent audio packet sequence number
MOSequenceNumberSentVideo
RTP
 
 
RTP packet sent
MO device sent video packet sequence number
MTSequenceNumberReceived
RTP
 
 
RTP packet received
MT device received audio packet sequence number
MTSequenceNumberReceivedVideo
RTP
 
 
RTP packet received
MT device received video packet sequence number
MTSequenceNumberSent
RTP
 
 
RTP packet sent
MT device sent audio packet sequence number
MTSequenceNumberSentVideo
RTP
 
 
RTP packet sent
MT device sent video packet sequence number
NumberOfPacketsLost
RTP
 
 
Recurring timer (1s)
Number of audio packets lost in the last 1 second time interval
NumberOfPacketsLostVideo
RTP
 
 
Recurring timer (1s)
Number of video packets lost in the last 1 second time interval
PacketInterarrivalTime
RTP
 
 
RTP packet received
Time interval since the last received audio packet
PacketLossRatio
RTP
 
 
Recurring timer (1s)
Audio packet loss ratio calculated for the previous 1 second time interval
PacketLossRatioVideo
RTP
 
 
Recurring timer (1s)
Video packet loss ratio calculated for the previous 1 second time interval
PayloadTypeAudio
RTP
 
 
SIP Invite
Audio media payload type reported for session setup or session modification attempt
PayloadTypeVideo
RTP
 
 
SIP Invite
Video media payload type reported for session setup or session modification attempt
RTPTimeGap
RTP
 
 
RTP packet sequence number skipped at reception
Time gap between received packets when packets are lost in between. Reported in milliseconds.
VideoFrameErrorRate
RTP
 
 
Recurring timer (1s)
Video frame error rate calculated for the previous 1 second time interval
A_Number
Session
 
 
Session Attempt (SIP Invite)
Calling party number
B_Number
Session
 
 
Session Attempt (SIP Invite)
Called party number
CallID
Session
 
 
Session Attempt (SIP Invite)
SIP Registration Attempt (SIP Register)
Session Call ID
CallInitiationSetupDelay
Session
Dial Start
Multiple, see description
Session Setup Success
Time from 'Dial Start' to one of the following events in the given order based on availability:
1. SIP Ringing
2. SIP 200 Ok (Update)
3. SIP 200 Ok (Invite)
Reported in seconds for successful session setups only.
CallInitiationSetupDelay180
Session
Dial Start
SIP 180 Ringing (Invite)
Session Setup Success
Time from 'Dial Start' to SIP 180 Ringing (Invite). Reported in seconds for successful session setups only.
CallInitiationSetupDelay200
Session
Dial Start
SIP 200 Ok (Invite)
Session Setup Success
Time from 'Dial Start' to SIP 200 Ok (Invite). Reported in seconds for successful session setups only.
CallInitiationSetupFailureRate
Session
 
 
Multiple events, see description
100 (Failure) reported for 'Call Initiation Failure' or 'Session Setup Failure' events.
0 (Success) reported for 'Session Setup Success' event.
CallInitiationSetupSuccessRate
Session
 
 
Session Setup Success
Session Setup Failure
Call Initiation Failure
100 (Success) reported for 'Session Setup Success' event.
0 (Failure) reported for 'Call Initiation Failure' or 'Session Setup Failure' events.
CallInitiationTo183Delay
Session
Dial Start
SIP 183 Session Progress (Invite)
Session Setup Success
Time from 'Dial Start' to SIP 183 Session Progress (Invite). Reported in seconds for successful session setups only.
ConversationStartDelay
Session
SIP 200 Ok (Invite)
First RTP packet received
 
Time from SIP 200 Ok (Invite) until first RTP packet is received
CSeqTransactionID
Session
 
 
SIP Invite
SIP 180 Ringing (Invite)
SIP 183 Session Progress (Invite)
SIP 200 Ok (Invite)
CSeq transaction Id
InviteTo183Delay
Session
SIP Invite
SIP 183 Session Progress (Invite)
Session Setup Success
Time from initial SIP Invite to SIP 183 Session Progress (Invite). Reported in seconds for successful session setups only.
InviteTo183WithInbandSignalingDelay
Session
SIP Invite
SIP 183 Session Progress (Invite)
Session Setup Success
Time from initial SIP Invite to SIP 183 Session Progress (Invite) which contains P-Early-Media field. Reported in seconds for successful session setups only.
InviteToCancelDelay
Session
SIP Invite
SIP Cancel
SIP Cancel
Time from initial SIP Invite to SIP Cancel
MediaStreamAdditionDelay
Session
SIP Invite
SIP 200 Ok (Invite)
Media Stream Addition Success
Time from SIP Invite indicating an addition of media (e.g. video stream) to SIP 200 Ok (Invite)
MediaStreamAdditionFailureCause
Session
 
 
Media Stream Addition Failure
Media stream addition failure cause (SIP error code)
MediaStreamAdditionSuccessRatio
Session
 
 
Media Stream Addition Success
Media Stream Addition Failure
100 (Success) reported for 'Media Stream Addition Success' event.
0 (Failure) reported for 'Media Stream Addition Failure' event.
MediaStreamRemovalDelay
Session
SIP Invite
SIP 200 Ok (Invite)
Media Stream Removal Success
Time from SIP Invite indicating a removal of media (e.g. video stream) to SIP 200 Ok (Invite)
MediaStreamRemovalFailureCause
Session
 
 
Media Stream Removal Failure
Media stream removal failure cause (SIP error code)
MediaStreamRemovalSuccessRatio
Session
 
 
Media Stream Removal Success
Media Stream Removal Failure
100 (Success) reported for 'Media Stream Removal Success' event.
0 (Failure) reported for 'Media Stream Removal Failure' event.
MOConversationStartDelay
Session
SIP 200 Ok (Invite)
First RTP packet received
 
MO device conversation start delay
MOSessionCompletionSuccessRate
Session
 
 
MO Session Completion Success
MO Session Completion Failure
100 (Success) reported for 'MO Session Completion Success' event.
0 (Failure) reported for 'MO Session Completion Failure' event.
MOSessionDropRate
Session
 
 
MO Session Completion Success
MO Session Completion Failure
100 (Failure) reported for 'MO Session Completion Failure' event.
0 (Success) reported for 'MO Session Completion Success' event.
MOSessionSetupDelay
Session
SIP Invite
Multiple, see description
Session Setup Success
MO device SessionSetupDelay
MOSessionSetupDelay180
Session
SIP Invite
SIP 180 Ringing (Invite)
Session Setup Success
MO device SessionSetupDelay180
MOSessionSetupDelay200
Session
SIP Invite
SIP 200 Ok (Invite)
Session Setup Success
MO device SessionSetupDelay200
MOSessionSetupDelay200Update
Session
SIP Invite
SIP 200 Ok (Update)
Session Setup Success
MO device SessionSetupDelay200Update
MOSessionSetupFailureRate
Session
 
 
MO Session Setup Success
MO Session Setup Failure
100 (Failure) reported for 'MO Session Setup Failure' event.
0 (Success) reported for 'MO Session Setup Success' event.
MOSessionSetupSuccessRate
Session
 
 
MO Session Setup Success
MO Session Setup Failure
100 (Success) reported for 'MO Session Setup Success' event.
0 (Failure) reported for 'MO Session Setup Failure' event.
MTConversationStartDelay
Session
SIP 200 Ok (Invite)
First RTP packet received
 
MT device conversation start delay
MTSessionCompletionSuccessRate
Session
 
 
MT Session Completion Success
MT Session Completion Failure
100 (Success) reported for 'MT Session Completion Success' event.
0 (Failure) reported for 'MT Session Completion Failure' event.
MTSessionDropRate
Session
 
 
MT Session Completion Success
MT Session Completion Failure
100 (Failure) reported for 'MT Session Completion Failure' event.
0 (Success) reported for 'MT Session Completion Success' event.
MTSessionSetupDelay
Session
SIP Invite
Multiple, see description
Session Setup Success
MT device SessionSetupDelay
MTSessionSetupDelay180
Session
SIP Invite
SIP 180 Ringing (Invite)
Session Setup Success
MT device SessionSetupDelay180
MTSessionSetupDelay200
Session
SIP Invite
SIP 200 Ok (Invite)
Session Setup Success
MT device SessionSetupDelay200
MTSessionSetupDelay200Update
Session
SIP Invite
SIP 200 Ok (Update)
Session Setup Success
MT device SessionSetupDelay200Update
MTSessionSetupFailureRate
Session
 
 
MT Session Setup Success
MT Session Setup Failure
100 (Failure) reported for 'MT Session Setup Failure' event.
0 (Success) reported for 'MT Session Setup Success' event.
MTSessionSetupSuccessRate
Session
 
 
MT Session Setup Success
MT Session Setup Failure
100 (Success) reported for 'MT Session Setup Success' event.
0 (Failure) reported for 'MT Session Setup Failure' event.
RedirectionResponseCause
Session
 
 
Session Redirection
SIP reason phrase logged with 'Session Redirection' event
RedirectionResponseCode
Session
 
 
Session Redirection
SIP response code logged with 'Session Redirection' event
RTPTimeoutCause
Session
 
 
Session Completion Failure
RTP timeout cause reported for SIP reason cause 102 (RTP-RTCP Timeout)
SessionCompletionFailureCause
Session
 
 
Session Completion Failure
Session completion failure cause
SessionCompletionFailureResponseCode
Session
 
 
Session Completion Failure
SIP error code logged with 'Session Completion Failure' event. Value 1000 assigned to failures triggered by internal TEMS discovery timer expiry.
SessionCompletionSuccessRate
Session
 
 
Session Completion Success
Session Completion Failure
100 (Success) reported for 'Session Completion Success' event.
0 (Failure) reported for 'Session Completion Failure' event.
SessionDisconnectCategory
Session
 
 
Session Completion Success
Session disconnect category reported network initiated disconnect to identify occurrence of handover or RRC drop during disconnect procedure
SessionDisconnectDelay
Session
SIP Bye
SIP 200 Ok (Bye)
Session Completion Success
Time from SIP Bye sent until SIP 200 Ok (Bye) is received
SessionDropRate
Session
 
 
Session Completion Success
Session Completion Failure
100 (Failure) reported for 'Session Completion Failure' event.
0 (Success) reported for 'Session Completion Success' event.
SessionDuration
Session
SIP 200 Ok (Invite)
Session Completion Success
Session Completion Failure
EOF
Session Completion Success
Session Completion Failure
Session duration reported in seconds
SessionEstablishedFailureCause
Session
 
 
Session Establishment Failure
Session establishment failure cause
SessionMediaType
Session
 
 
Session Attempt (SIP Invite)
Session media type (Audio, Video, Mixed or Unknown)
SessionSetupAbortedCause
Session
 
 
Session Setup Aborted
Session setup aborted cause
SessionSetupAbortedLogfileName
Session
 
 
Session Setup Aborted
Log file name at the time of 'Session Setup Aborted' event
SessionSetupDelay
Session
SIP Invite
Multiple, see description
Session Setup Success
Time from initial SIP Invite to one of the following events in the given order based on availability:
1. SIP 180 Ringing
2. SIP 183 Session Progress
3. SIP 200 Ok (Update)
4. SIP 200 Ok (Invite)
Reported in seconds for successful session setups only.
SessionSetupDelay180
Session
SIP Invite
SIP 180 Ringing (Invite)
Session Setup Success
Time from initial SIP Invite to SIP 180 Ringing (Invite). Reported in seconds for successful session setups only.
SessionSetupDelay200
Session
SIP Invite
SIP 200 Ok (Invite)
Session Setup Success
Time from initial SIP Invite to SIP 200 Ok (Invite) in Reported in seconds for successful session setups only.
SessionSetupDelay200Update
Session
SIP Invite
SIP 200 Ok (Update)
Session Setup Success
Time from initial SIP Invite to SIP 200 Ok (Update). Reported in seconds for successful session setups only.
SessionSetupFailureCause
Session
 
 
Session Setup Failure
Session setup failure cause
SessionSetupFailureRate
Session
 
 
Session Setup Success
Session Setup Failure
100 (Failure) reported for 'Session Setup Failure' event.
0 (Success) reported for 'Session Setup Success' event.
SessionSetupFailureResponseCode
Session
 
 
Session Setup Failure
SIP error code logged with 'Session Setup Failure' event. Value 1000 assigned to failures triggered by internal TEMS discovery timer expiry.
SessionSetupSuccessRate
Session
 
 
Session Setup Success
Session Setup Failure
100 (Success) reported for 'Session Setup Success' event.
0 (Failure) reported for 'Session Setup Failure' event.
SipByeReasonPhrase
Session
 
 
SIP Bye
SIP Bye reason phrase
SIPHandshakeTime
Session
SIP Prack
SIP 200 Ok (Prack)
SIP 200 Ok (Prack)
Time from SIP Prack to SIP 200 Ok (Prack)
SIPInviteHandshakeTime
Session
SIP Invite
SIP 100 Trying (Invite)
SIP 100 Trying (Invite)
Time from initial SIP Invite to SIP 100 Trying (Invite). Reported for MO device.
SSRCIdentityReceived
Session
 
 
RTP packet received
SSRC Identifier included in received audio RTP packet
SSRCIdentityReceivedVideo
Session
 
 
RTP packet received
SSRC Identifier included in received video RTP packet
SSRCIdentitySent
Session
 
 
RTP packet sent
SSRC Identifier included in sent audio RTP packet
SSRCIdentitySentVideo
Session
 
 
RTP packet sent
SSRC Identifier included in sent video RTP packet
SessionCompletionFailureCallId
Session Failure
 
 
Session Completion Failure
Call Id at the time of 'Session Completion Failure' event
SessionCompletionFailureCellId
Session Failure
 
 
Session Completion Failure
Cell Id information from ‘P-Access-Network-Info’ SIP code field at the time of 'Session Completion Failure' event
SessionCompletionFailureIMEI
Session Failure
 
 
Session Completion Failure
IMEI at the time of 'Session Completion Failure' event
SessionCompletionFailureIMSI
Session Failure
 
 
Session Completion Failure
IMSI at the time of 'Session Completion Failure' event
SessionCompletionFailureLatitude
Session Failure
 
 
Session Completion Failure
Latitude at the time of 'Session Completion Failure' event
SessionCompletionFailureLogfileName
Session Failure
 
 
Session Completion Failure
Log file name at the time of 'Session Completion Failure' event
SessionCompletionFailureLongitude
Session Failure
 
 
Session Completion Failure
Longitude at the time of 'Session Completion Failure' event
SessionCompletionFailureMDN
Session Failure
 
 
Session Completion Failure
Calling party number at the time of 'Session Completion Failure' event
SessionCompletionFailureRAT
Session Failure
 
 
Session Completion Failure
Radio Access Technology at the time of 'Session Completion Failure' event
SessionCompletionFailureServingCellPCI
Session Failure
 
 
Session Completion Failure
Serving cell PCI at the time of 'Session Completion Failure' event
SessionCompletionFailureServingCellRSRP
Session Failure
 
 
Session Completion Failure
Serving cell RSRP at the time of 'Session Completion Failure' event
SessionCompletionFailureServingCellRSRQ
Session Failure
 
 
Session Completion Failure
Serving cell RSRQ at the time of 'Session Completion Failure' event
SessionCompletionFailureServingCellSNR
Session Failure
 
 
Session Completion Failure
Serving cell RS CINR at the time of 'Session Completion Failure' event
SessionCompletionFailureServingChannelRSSI
Session Failure
 
 
Session Completion Failure
Serving cell channel RSSI at the time of 'Session Completion Failure' event
SessionCompletionFailureTimestamp
Session Failure
 
 
Session Completion Failure
Timestamp of 'Session Completion Failure' event
SessionSetupFailureCallId
Session Failure
 
 
Session Setup Failure
Call Id at the time of 'Session Setup Failure' event
SessionSetupFailureCellId
Session Failure
 
 
Session Setup Failure
Cell Id information from ‘P-Access-Network-Info’ SIP code field at the time of 'Session Setup Failure' event
SessionSetupFailureDelay
Session Failure
SIP Invite
Session Setup Failure
Session Setup Failure
Time from initial SIP Invite to 'Session Setup Failure' event
SessionSetupFailureIMEI
Session Failure
 
 
Session Setup Failure
IMEI at the time of 'Session Setup Failure' event
SessionSetupFailureIMSI
Session Failure
 
 
Session Setup Failure
IMSI at the time of 'Session Setup Failure' event
SessionSetupFailureLatitude
Session Failure
 
 
Session Setup Failure
Latitude at the time of 'Session Setup Failure' event
SessionSetupFailureLogfileName
Session Failure
 
 
Session Setup Failure
Log file name at the time of 'Session Setup Failure' event
SessionSetupFailureLongitude
Session Failure
 
 
Session Setup Failure
Longitude at the time of 'Session Setup Failure' event
SessionSetupFailureMDN
Session Failure
 
 
Session Setup Failure
Calling party number at the time of 'Session Setup Failure' event
SessionSetupFailureRAT
Session Failure
 
 
Session Setup Failure
Radio Access Technology at the time of 'Session Setup Failure' event
SessionSetupFailureResponseDirection
Session Failure
 
 
Session Setup Failure
SIP response code direction at the time of 'Session Setup Failure' event
SessionSetupFailureServingCellPCI
Session Failure
 
 
Session Setup Failure
Serving cell PCI at the time of 'Session Setup Failure' event
SessionSetupFailureServingCellRSRP
Session Failure
 
 
Session Setup Failure
Serving cell RSRP at the time of 'Session Setup Failure' event
SessionSetupFailureServingCellRSRQ
Session Failure
 
 
Session Setup Failure
Serving cell RSRQ at the time of 'Session Setup Failure' event
SessionSetupFailureServingCellSNR
Session Failure
 
 
Session Setup Failure
Serving cell RS CINR at the time of 'Session Setup Failure' event
SessionSetupFailureServingChannelRSSI
Session Failure
 
 
Session Setup Failure
Serving cell channel RSSI at the time of 'Session Setup Failure' event
SessionSetupFailureTimestamp
Session Failure
 
 
Session Setup Failure
Timestamp of 'Session Setup Failure' event
CellReselectionToEUTRAN
SRVCC
 
 
EMM Tracking area update accept
Timestamp of entering LTE mode after reselection from 2G/3G
ChannelRelaseToFirstSIBMessageDelay
SRVCC
Channel release in 2G/3G
First SIB Type 1 message received in LTE
EMM Tracking area update accept
Time from channel release in 2G/3G to the first SIP Type 1 message in EUTRAN reported at the time of EMM Tracking area update accept
ChannelReleaseToTrackingAreaUpdateAcceptDelay
SRVCC
Channel release in 2G/3G
EMM Tracking area update accept
EMM Tracking area update accept
Time from channel release in 2G/3G to EMM Tracking area update accept reported at the time of EMM Tracking area update accept
CRServingCellEcNo
SRVCC
 
 
EMM Tracking area update accept
WCDMA serving cell Ec/Io prior to reselection to EUTRAN from 2G/3G reported at the time of EMM Tracking area update accept
CRServingCellRSCP
SRVCC
 
 
EMM Tracking area update accept
WCDMA sell RSCP prior to reselection to EUTRAN from 2G/3G reported at the time of EMM Tracking area update accept
CRServingCellRSRPAvg
SRVCC
 
 
EMM Tracking area update accept
LTE serving cell RSRP after reselection to EUTRAN from 2G/3G reported at the time of EMM Tracking area update accept
CRServingCellRxLevSub
SRVCC
 
 
EMM Tracking area update accept
GSM serving cell RxLev Sub prior to reselection to EUTRAN from 2G/3G reported at the time of EMM Tracking area update accept
CRServingCellRxQualPctSub
SRVCC
 
 
EMM Tracking area update accept
GSM serving cell RxQual Sub prior to reselection to EUTRAN from 2G/3G reported at the time of EMM Tracking area update accept
CRServingCellSNRAvg
SRVCC
 
 
EMM Tracking area update accept
LTE Serving cell RS CINR after reselection to EUTRAN from 2G/3G reported at the time of EMM Tracking area update accept
FirstMeasurementReportToMobilityControlFromEUTRANDelay
SRVCC
Measurement Report
Mobility Control From EUTRAN
SRVCC Handover
Time from the first measurement report following RRC connection reconfiguration including measObjectUTRA or measObjectGERAN until Mobility Control From EUTRAN
FirstSIBMessageToRRCConnectionRequestDelay
SRVCC
First SIB Type 1 message received in LTE
RRC Connection Request
EMM Tracking area update accept
Time from the first SIP Type 1 message to RRC connection request reported at the time of EMM Tracking area update accept
LastMeasurementReportNeighborMeasurements
SRVCC
 
 
SRVCC Handover
2G/3G neighbor information from the last measurement report
LastMeasurementReportToMobilityControlFromEUTRANDelay
SRVCC
Measurement Report
Mobility Control From EUTRAN
SRVCC Handover
Time from the last measurement report following RRC connection reconfiguration including measObjectUTRA or measObjectGERAN until Mobility Control From EUTRAN
LastRRCConnectionReconfigurationToFirstMeasurementReportDelay
SRVCC
RRC Connection Reconfiguration including measObjectUTRA or measObjectGERAN
Measurement Report
SRVCC Handover
Time from the last RRC connection reconfiguration including measObjectUTRA or measObjectGERAN until the first measurement report
LastRRCConnectionReconfigurationToHandoverCompleteDelay
SRVCC
RRC Connection Reconfiguration including measObjectUTRA or measObjectGERAN
Handover Complete
SRVCC Handover
Time from the last RRC connection reconfiguration including measObjectUTRA or measObjectGERAN until handover complete in 2G/3G
LastRRCConnectionReconfigurationToMobilityControlFromEUTRANDelay
SRVCC
RRC Connection Reconfiguration including measObjectUTRA or measObjectGERAN
Mobility Control From EUTRAN
SRVCC Handover
Time from the last RRC connection reconfiguration including measObjectUTRA or measObjectGERAN until Mobility Control From EUTRAN
MobilityControlFromEUTRANToHandoverCompleteDelay
SRVCC
Mobility Control From EUTRAN
Handover Complete
SRVCC Handover
Time from the last measurement report following RRC connection reconfiguration including measObjectUTRA or measObjectGERAN until handover complete in 2G/3G
RRCConnectionRequestToTrackingAreaUpdateAcceptDelay
SRVCC
RRC Connection Request
EMM Tracking area update accept
EMM Tracking area update accept
Time from RRC connection request to EMM Tracking area update accept reported at the time of EMM Tracking area update accept
ServingCellBCCH
SRVCC
 
 
SRVCC Handover
GSM serving cell BCCH after SRVCC handover
ServingCellBSIC
SRVCC
 
 
SRVCC Handover
GSM serving cell BSIC after SRVCC handover
ServingCellEARFCN
SRVCC
 
 
SRVCC Handover
LTE serving cell DL EARFCN prior to SRVCC handover
ServingCellEcIo
SRVCC
 
 
SRVCC Handover
WCDMA serving cell Ec/Io after SRVCC handover
ServingCellIdentity
SRVCC
 
 
SRVCC Handover
LTE serving cell PCI prior to SRVCC handover
ServingCellPSC
SRVCC
 
 
SRVCC Handover
WCDMA serving cell PSC after SRVCC handover
ServingCellRSCP
SRVCC
 
 
SRVCC Handover
WCDMA serving cell RSCP after SRVCC handover
ServingCellRSRPAvg
SRVCC
 
 
SRVCC Handover
LTE serving cell RSRP prior to SRVCC handover
ServingCellRxLevSub
SRVCC
 
 
SRVCC Handover
GSM serving cell RxLev Sub after SRVCC handover
ServingCellRxQualPctSub
SRVCC
 
 
SRVCC Handover
GSM serving cell RxQual Sub after SRVCC handover
ServingCellSNRAvg
SRVCC
 
 
SRVCC Handover
LTE serving cell RS CINR prior to SRVCC handover
ServingCellUARFCN
SRVCC
 
 
SRVCC Handover
WCDMA serving cell DL UARFCN after SRVCC handover
SRVCCHandoverFromEUTRAN
SRVCC
 
 
SRVCC Handover
SRVCC handover timestamp
SRVCCUserPlaneDelay
SRVCC
Last RTP packet in old cell
First DL Vocoder report on 2G/3G
SRVCC Handover
SRVCC handover user interruption time
SRVCCUserPlaneInterruptionTime
SRVCC
Last RTP packet in old cell
First AMR packet in new cell
AMR packet received
Time interval between last RTP packet received before SRVCC handover and first AMR packet received in 2G/3G
VoIPApplicationThroughputDL
Throughput
 
 
Recurring timer (1s)
VoIP application throughput in downlink calculated for audio data stream for the previous 1 second time interval
VoIPApplicationThroughputDLVideo
Throughput
 
 
Recurring timer (1s)
VoIP application throughput in downlink calculated for video data stream for the previous 1 second time interval
VoIPApplicationThroughputUL
Throughput
 
 
Recurring timer (1s)
VoIP application throughput in uplink calculated for audio data stream for the previous 1 second time interval
VoIPApplicationThroughputULVideo
Throughput
 
 
Recurring timer (1s)
VoIP application throughput in uplink calculated for video data stream for the previous 1 second time interval
VoiceMailCallCallId
Voice Mail
 
 
Voice Mail Call
Call Id at the time of 'Voice Mail Call' event
VoiceMailCallCellId
Voice Mail
 
 
Voice Mail Call
Cell Id information from ‘P-Access-Network-Info’ SIP code field at the time of 'Voice Mail Call' event
VoiceMailCallIMEI
Voice Mail
 
 
Voice Mail Call
IMEI at the time of 'Voice Mail Call' event
VoiceMailCallIMSI
Voice Mail
 
 
Voice Mail Call
IMSI at the time of 'Voice Mail Call' event
VoiceMailCallLatitude
Voice Mail
 
 
Voice Mail Call
Latitude at the time of 'Voice Mail Call' event
VoiceMailCallLogfileName
Voice Mail
 
 
Voice Mail Call
Log file name at the time of 'Voice Mail Call' event
VoiceMailCallLongitude
Voice Mail
 
 
Voice Mail Call
Longitude at the time of 'Voice Mail Call' event
VoiceMailCallMDN
Voice Mail
 
 
Voice Mail Call
Calling party number at the time of 'Voice Mail Call' event
VoiceMailCallRAT
Voice Mail
 
 
Voice Mail Call
Radio Access Technology at the time of 'Voice Mail Call' event
VoiceMailCallRate
Voice Mail
 
 
Voice Mail Call
MO Session Attempt
100 (Success) reported for 'Voice Mail Call' event for MO device.
0 (Failure) reported for 'MO Session Attempt' event.
VoiceMailCallServingCellPCI
Voice Mail
 
 
Voice Mail Call
Serving cell PCI at the time of 'Voice Mail Call' event
VoiceMailCallServingCellRSRP
Voice Mail
 
 
Voice Mail Call
Serving cell RSRP at the time of 'Voice Mail Call' event
VoiceMailCallServingCellRSRQ
Voice Mail
 
 
Voice Mail Call
Serving cell RSRQ at the time of 'Voice Mail Call' event
VoiceMailCallServingCellSNR
Voice Mail
 
 
Voice Mail Call
Serving cell RS CINR at the time of 'Voice Mail Call' event
VoiceMailCallServingChannelRSSI
Voice Mail
 
 
Voice Mail Call
Serving cell channel RSSI at the time of 'Voice Mail Call' event
VoiceMailCallTimestamp
Voice Mail
 
 
Voice Mail Call
Timestamp of 'Voice Mail Call' event