1. Efficient Test Environment for Exponential Increase in Number of CA Band Combinations,2017
2. 3GPP TS 24.229 - IP multimedia call control protocol based on Session Initiation Protocol (SIP) and Session Description Protocol (SDP),2021
3. 3GPP TS 23.003 - Numbering, addressing and identification,2022
4. 3GPP TS 22.101 - Service aspects; Service principles,2021
5. RFC 20 - ASCII format for network interchange,1969