Archive for the ‘SIP’ Category

Bad SIP transfers in CME 4.0/4.1/4.2

Friday, August 17th, 2007

Whilst I've been messing about with registering a Grandstream GXP2000 to our CME 4.2 server's SIP service, I've found quite an annoying problem. The phone registers fine and can make external calls via the SIP trunk absolutely fine. The phone will also accept transfers of internal calls (ephones), but if I ...