[Asterisk-Users] Strange T1 Problem - FIXED plus new question

[Steve Underwood]

Mike Machado wrote:

>cvs HEAD did infact fix the ringing problem. Thanks Eric!
>
>I have another question for all you T1 buffs out there. The T1 I am
>working with goes into our local phone switch (Excel switch). Currently
>we are using E & M Wink signaling. The problem is we cannot set callerid
>on the outbound side. My minimal understanding is that if we had a PRI,
>I could set the callerID. Unfortunately PRI is one signaling type they
>cannot do (not have expensive PRI card in switch).
>
>So, my question is what other signaling types CAN I set the callerID
>outbound?
>
>My local switch techs cannot seem to answer that question. They just
>always use E & M for everything. But if I can ask them to specifically
>try a certain signaling type (such as Feature Group D) or one of the
>others in the t100p supported list, I could probably get them to change
>the signaling type on my trunk. Do any signaling types other than PRI
>support passing outbound callerID?
>  
>
You can usually get CLI on an E&M robbed bit T1 by configuring it right. 
Instead of just sending you the DNIS as a string of DTMF they usually 
send *<cli>*<dnis>*. The DNIS and CLI may be swapped, and there may be 
less than 3 *s in the string - wonderful consistency, eh? :-\

Regards,
Steve