Sounds like it could be faulty or out of DSP's.  Check the syslogg for
errors.


--

RFC 1149 Compliant.



""Kevin Love""  wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> We are connecting two QSIG voice switches through a compressed VoIP
> trunk (E1, except channel 15 and 18) using two cisco 2620 routers with IOS
> 12.2(8)T4, and NM-HDV-1E1-30.
>
> Switch1  Router1  Router2  Switch2
> (network)         (user)          (network)        (user)
>
>
> With this setup we can connect any call originating from switch2 to
> switch1 direction.  But a call originating from switch1 does not connect
the
> *voice path* after several successful calls when under moderate/heavy
load.
> (ie: the call is connected but voice is not heard by either party)
>
> Shutting down the voice port and bringing it up again could resolve
> this temporarily. But after several calls, same problem occurs.
>
> Calls from switch2 to switch1 continue to connect properly.
>
> Config summary of Router1
> -=-=-=-=-=-=-=-=-=-=-=-=-=-=-
> voice-card 1
> !
> isdn switch-type primary-qsig
> call rsvp-sync
> !
> controller E1 1/0
>  framing NO-CRC4
>  pri-group timeslots 1-14,16-17,19-31
> !
> interface Serial1/0:15
>  no ip address
>  no logging event link-status
>  isdn switch-type primary-qsig
>  isdn incoming-voice voice
>  isdn contiguous-bchan
>  no cdp enable
> !
> voice-port 1/0:15
> !
> dial-peer cor custom
>
>
> Config summary of Router2
> -=-=-=-=-=-=-=-=-=-=-=-=-=-=-
> !
> voice-card 1
> !
> isdn switch-type primary-qsig
> call rsvp-sync
> !
> controller E1 1/0
>  framing NO-CRC4
>  pri-group timeslots 1-14,16-17,19-31
> !
> interface Serial1/0:15
>  no ip address
>  no logging event link-status
>  isdn switch-type primary-qsig
>  isdn protocol-emulate network
>  isdn incoming-voice voice
>  no isdn T309-enable
>  isdn contiguous-bchan
>  no cdp enable
> !
> voice-port 1/0:15
> !
> dial-peer cor custom
> !
>
> I have not included the dial-peers as they seems to work properly.
>
> Any ideas what the problem might be?
>
> Thanks!




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