IPOthermia
Vendor
Does any have two (or more) AVAYA CM 6.3 PBX systems connected by a SIP trunk? I have an H323 trunk between my two AVAYA PBX systems currently and for fun I decided to try setting up a SIP trunk between them. And, it doesn't want to work. Perhaps I have to purchase the $100,000 dollar adapter known as System / Session Manager.