IP Telephony and Phones

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I am trying to integrate our Asterisk PBX setup with CUCM where,1. CUCM will be connected with the PSTN network2. Asterisk will be handling IVR and voicemail with inbound SIP trunk from CUCM3. For transfer of the call to an agent, the outbound SIP tr...

gt364555 by Level 1
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I am attempting to use a 2811 router as a SIP / PSTN gateway. SIP is from our PBX. PSTN is one of the big guys.The 2811 connects to the PSTN with a VWIC-2MFT-T1.Calls work great. However, no DTMF digits are transmitted to the PSTN. That is, you can c...

BadPacket by Level 1
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Hello,We introduced MRA along with Jabber in May of 2020.  All has been working great until I started configuring Jabber devices with a particular shared line using extension 7100.  An incoming call rings for a half of a ring, then goes to voicemail....

Beside the obvious name what is the real difference of NANP:PreDot versus PreDot on CUCM? I was making a couple of test and they do the same for patterns like:   9.[2-9]XXXXXX 9.011!# 555.42XX 777800.[2-9]XXXXXX   So I don't really understand the dif...