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Help: Takes too long for completing call from CME to PSTN

Hi

,

I have an router 2901 configure as a CME. I'm using a SIP trunk for connecto to my voice service provider.

This is Version 15.1(2)T1 of the router.

When a make a call from an internal IP Phone there is a silence time of about 10 or 12 seconds then the call is stablish.

Here is part of the configuration i have on the CME.

dial-peer voice 787 voip
description Primary Dial Peer for 787
destination-pattern 787.......
progress_ind progress enable 8
progress_ind connect enable 8
session protocol sipv2
session target sip-server
voice-class codec 1 
dtmf-relay rtp-nte
no vad

voice service voip
ip address trusted list
  ipv4 10.234.139.12
  ipv4 10.234.146.82
  ipv4 10.234.146.76
allow-connections h323 to h323
allow-connections h323 to sip
allow-connections sip to h323
allow-connections sip to sip
supplementary-service h450.12
no supplementary-service sip moved-temporarily
no supplementary-service sip refer
supplementary-service ringback h225-info
redirect ip2ip
fax protocol t38 version 0 ls-redundancy 1 hs-redundancy 1 fallback pass-through g711ulaw
h323
sip
  bind control source-interface GigabitEthernet0/0.20
  bind media source-interface GigabitEthernet0/0.20
  min-se 100 session-expires 100
  transport switch udp tcp

thanks for your response

1 REPLY 1
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Cisco Employee

Re: Help: Takes too long for completing call from CME to PSTN

It looks like you are hitting some kind of interdigit timeout. Usually it happens if there is any kind of dial plan overlapping. I would start reviewing the dial-plan to make sure that there is no overlapping.   Thanks,  Marcos

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