The SIP Forum is working on a program to establish greater interoperability between VoIP service providers and IP PBX customers. The SIPconnect Compliance Program sets requirements for support various aspects of the SIPconnect peering standard.
Cbeyond and McLeodUSA are the first two carriers to support the program, but with IP PBX deployment growing fast and VoIP and SIP usage growing among carriers, we're interested to see who's next.
For more:
- Telephony covers [1] the compliance program
Links:
[1] http://telephonyonline.com/home/news/SIP-PBX-STANDARD-092607/