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! Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=49172&t=49139 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]