Currently no accepted standard for measurement, monitoring VoLTE Services. Ascom has defined a formal definition, implementation strategy to help Operations. Covers issues related to EPC, IMS, Application Service.

1. 1
THE CHALLENGES OF VOLTE SERVICE MONITORING
Presentation Name Month Year, © Ascom CONFIDENTIAL
LTE rollouts supported by TEMS around the world
Ensure
QoE
Understand
Scenarios
Join
Webinar
 Currently no accepted standard for measurement,
monitoring VoLTE Services
 Ascom has defined a formal definition, implementation
strategy to help Operations
 Covers issues related to EPC, IMS, Application Service
 We will describe this solution in a number of short articles
Join
Webinar
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More Blog Articles
Understand
Test Scenarios
VoLTE Service
Monitoring Challenges
TEMS™ VoLTE Service Monitoring: A New Standard

2. 2
THE CHALLENGES OF VOLTE SERVICE MONITORING
LTE rollouts supported by TEMS around the world
 Currently no accepted standard for measurement,
monitoring VoLTE Services
 Ascom has defined a formal definition, implementation
strategy to help Operations
 Covers issues related to EPC, IMS, Application Service
 We will describe this solution in a number of short articles

3. 3
VOLTE SERVICE MONITORING
TEST EVERY IR.92 AND IR.94 FEATURE
LTE Attach
VoLTE SMS 3G CDMA2000 to VoLTE SMS
VoLTE to 3G UMTS SMS 2G TDMA to VoLTE SMS
VoLTE to 2G GSM SMS VoLTE to VoWiFi SMS
VoLTE to 3G CDMA2000 SMS VoWiFi to VoLTE SMS
VoLTE to 2G TDMA SMS 2G GSM to VoLTE SMS
3G UMTS to VoLTE SMS
VoLTE Voice Call Interworking VoLTE to CS Call
VoLTE to 3G UMTS Voice Call 3G UMTS to VoLTE Voice Call
VoLTE to 2G GSM Voice Call 2G GSM to VoLTE Voice Call
VoLTE to 3G CDMA2000 Voice
Call
3G CDMA2000 to VoLTE Voice
Call
VoLTE to 2G TDMA Voice Call 2G TDMA to VoLTE Voice Call
VoLTE Emergency Voice Call VoLTE to VoWiFi Voice Call
Interworking VoLTE Voice Call VoWiFi to VoLTE Voice Call
VoB to VoLTE Voice Call VoLTE to VoB Voice Call
IMS Entry Point Discovery
IMS Entry Point Discovery PCO
IMS Registration
IMS Subscription to Events
IMS De-Registration
IMS Emergency Registration

4. 4
CSFB - LTE Attach
CSFB - Incoming call
CSFB - Incoming SMS
CSFB - Outgoing call
CSFB - Outgoing SMS
CSFB - Outgoing USSD
IMS Registration for IR.94
IMS De-Registration for IR.94
Video Call
Handover from IMS anchored call to 3G GSM
Handover from IMS anchored call to 2G UMTS
Handover from IMS anchored call to 3G CDMA2000
Handover from IMS anchored call to 2G TDMA
VOLTE SERVICE MONITORING
TEST EVERY IR.92 AND IR.94 FEATURE

5. 5
Voice Supplementary Services
Originating Identification Presentation
(OIP)
Barring of All Incoming Calls (BAIC)
Terminating Identification Presentation
(TIP)
Barring of All Outgoing Calls (BAOC)
Originating Identification Restriction (OIR) Barring of Outgoing International Calls
(BOIC)
Terminating Identification Restriction
(TIR)
Barring of Outgoing International Calls ex
Home Country (BOICexHC)
Communication Forwarding Unconditional
(CFU)
Barring of Incoming Calls when Roaming
(BAICroaming)
Communication Forwarding on not
Logged in (CFL)
Communication Hold (CH)
Communication Forwarding on Busy
(CFB)
Message Waiting Indication (MWI)
Communication Forwarding on Not
Reachable (CFNR)
Communication Waiting (CW)
Communication Forwarding on No Reply
(CFNRY)
Conference calling (CONF)
VOLTE SERVICE MONITORING
TEST EVERY IR.92 AND IR.94 FEATURE

6. VOLTE SERVICE MONITORING – RELATED POSTS
Articles:
 Day 1. VoLTE Service Monitoring
 Day 2. How critical is the VoLTE Service for my company?
 Day 3. New generation VoLTE Service Monitoring solution
 Day 4. I already monitor LTE, so I must be good for VoLTE?
 Day 5. Monitoring VoLTE Customer Experience
 Day 6. how can you uncover hidden areas of your VoLTE network and services to deliver the
customer experience you really want?
Check the VoLTE Service Monitoring posts for links to subsequent articles.
TEMS VoLTE Service Monitoring solution:
1. A New Standard & the Test Cases Overview
2. Solution architecture & the VoLTE Voice Call test case
Additional details will be published every 1-2 weeks to describe this proposal, including test case flow, metrics,
diagnostics and reporting.