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Domestic and Roaming IMS testing



2022 has been the year that Mobile Network Operators have been in a race to put in place roaming agreements with other MNOs. One main drive behind this is the imminent network shutdowns with around 51 operators across the world already completed their shutdown of either 2G or 3G and in some cases both.


This change is pushing Mobile Network operators to ensure there is substantial capacity and coverage for new technologies like VoLTE and VoWiFi.


The end users on the other hand are encouraged to upgrade their devices to 4G with IMS capabilities.


Smartphone manufacturers need to enable IMS services by default on all their devices and ensure adequate testing for smooth interoperability across all networks.


You can learn more about the 2G/3G Network shutdown status by reading the recently updated blog




As the network shutdowns continue to gain momentum the Mobile Network Operators need to ensure that their end users have the same quality of experience while on the domestic network and abroad. With legacy networks gradually being phased out is it important that the new IMS technologies are fully supported and tested by device manufacturers who are planning to launch devices across the world.


SmartViser offers a wide aspect of testing services to ensure Quality of Experience (QoE) and Quality of Service (QoS) for all IMS services with a unique combination of test automation products and test locations across the world.




Full IMS Testing Coverage Domestic and Roaming

1) Send your devices to your target country (For the full list of supported countries get in touch)

2) Define your testing scope or a Test Expert from SmartViser can help you define it

3) Get the results in the agreed timeframe. For any failures, logs will be provided and re-testing can be arranged with the team.



Top Categories for IMS testing Domestic and Roaming

  • VoLTE , VoWiFi, ViLTE, including Audio voice MOS score POLQA

  • SMS, MMS over IP, RCS

  • Supplementary services

  • Emergency Calls


For more in-depth information on VoLTE roaming testing, you can check GSMA IR25 VoLTE Roaming Testing v5.0


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