It's not exactly a definitive answer, but the most recent SIPit report included some interesting stats on who implements what.
http://www.sipit.net/report19.txt The notes indicate that 17% of endpoint implementations at SIPit 19 claimed to support RFC 3327. -- Gary Cote www.awardsolutions.com _______________________________________________ Sip-implementors mailing list Sip-implementors@cs.columbia.edu https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors
