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Re: Re-writing caller ID
by admin Wed 23 of Sep, 2009
SIP Express router or Kamailio would be good choices. Asterisk is could also do it, but since its more of a PBX model, it has a lot more unneeded overhead for this kind of function.
Re-writing caller ID
by pransis Tue 22 of Sep, 2009
Hi, I have a Cisco AS5300 facing the TDM which serves as a number translator (rewriting the caller ID into something). The problem is — Cisco has a finite limit on the number of translations that can be done on the AS5300 (approx. 128-300). I was thinking of moving the number translation function into a separate box. What systems do you recommend for this function? Can SIP Express Router or Asterisk do this?
Re: DTMF information.
by admin Mon 21 of Sep, 2009
See SIP DTMF Signalling
There are 3 common ways of sending DTMF on SIP Calls: INFO, RFC-2833, and in-band.
In your example invite, the lines:
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