Aug 2, 2007 #1 jensjuul Programmer Jul 28, 2007 50 DK Hi I've heard it is very expensive to upgrade my PBX so I can use TAPI to control phones and SIP to signal. Is this right?
Hi I've heard it is very expensive to upgrade my PBX so I can use TAPI to control phones and SIP to signal. Is this right?
Aug 2, 2007 #2 3tdp33ler Technical User Nov 17, 2005 164 RU To use SIP you need an external or built-in IP-gateway hardware. Upvote 0 Downvote