Business Phone Systems

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#641422 09/02/21 12:20 PM
Joined: Feb 2010
Posts: 462
Likes: 1
OP Offline
Joined: Feb 2010
Posts: 462
Likes: 1
I was working on an SV9100 CP20 with SIP Trunks the problem that they are having is outbound caller ID is not being passed to the outside

it just shows main number

This company has 2 divisions with 2 main numbers worked with NEC tech support they did a packet capture and can see that the system is programmed correctly

comcast is the provider they say its not them just wondering if this could be firewall related

also when they are call out and get answered by Auto Attendant when they press the digit 1 or 2 call gets dropped every time but when the press 8 it works

This was my first time there they have been having these problems for quite a while

any thoughts



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Joined: Sep 2004
Posts: 4,155
Likes: 2
Joined: Sep 2004
Posts: 4,155
Likes: 2
Check your payload on those SIP lines. Out of band signaling needs to be same. Remember you have to enable CLIP on COS and use SIP for caller ID outbound. Comcast also has to allow you control.

Moderated by  ttech 

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