IP Telephony and Phones

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Hello Everyone,   I would like to understand the MOH, i gone through PDF but still confuse. Anyone who can give me best way to understand the call flow of MOH and it's mechanism.   How should i trace and troubleshoot the MoH issue? How to analyse the...

I'm trying to look for and copy a SPECIFIC number in the 'From' header into the 'Diversion' header of a SIP message in CUBE.  For example, if we have an INVITE that has 7145551212 in the FROM header and there's a DIVERSION header that has 6144441212 ...

voip7372 by Level 4
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Hi,Does anyone know how to remove "rtpmap: 100 X-NSE/8000" and keep only "rtpmap:101 telephone-event /8000" in SDP message?I have tried this "voice-class sip dtmf-relay force rtp-nte" but did not work.I am using Cisco AS5400 Version 12.4(11)T4.dial-p...