Technical Specifications
Learn about SIP setup, IP ranges, ports, encryption, codecs, and DTMF support.
View and interpret call log response codes to troubleshoot call issues.
Learn about supported Caller ID formats (RAW, E.164, LOCAL) and how to customize them per trunk using CLI Prefix.
Learn how DIDWW handles SIP failover and load balancing using DNS SRV and trunk groups for high availability.
Set up fax over IP using T.38 or G.711 protocols.
Learn about caller ID authentication and STIR/SHAKEN compliance.
View country-specific formats for dialing Toll-Free DIDs.
View country-specific dialing formats for Universal International Freephone Numbers.
Understand CPC values for toll-free calls and their role in call routing and billing.
Redirect inbound calls using 30x and REFER methods.