ITU-T - Q.3953
VoLTE/ViLTE interconnection testing for interworking and roaming scenarios
|Publication Date:||1 January 2018|
This Recommendation1 aims to verify the various interconnections and ensure that interoperability, interworking and roaming will respect national and international requirements and service level agreements (SLAs) among operators.
1 This Recommendation contains an electronic attachment containing the test list announced in Annex A.