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MGCP outbound calls are not getting connected

Hi All,

We have a MGCP gateway with a T1 trunk, Sometime the outbound calls will stop working and the incoming will work the same time. when we are dialing the digits we are getting fast busy tone. If we reset the MGCP gateway from CUCM, it will start working. Earlier we are getting this issue once in a month or quarter but now it's happening everyday. When we are checking for real time call logs in RTMT it's not showing any logs in RTMT or in CDR but I have enabled MGCP debug on gateway and Call manger SDL logs and found that we are getting 500 unknown end point error.

Also while I am checking the sh ip int brief, It only listing few T1 controller logical ports. Ports from 14 to 22 are not coming.

Can any one suggest any fix for the issue.


Serial0/1/0:0 unassigned YES unset down down
Serial0/1/0:1 unassigned YES unset down down
Serial0/1/0:2 unassigned YES unset down down
Serial0/1/0:3 unassigned YES unset down down
Serial0/1/0:4 unassigned YES unset down down
Serial0/1/0:5 unassigned YES unset down down
Serial0/1/0:6 unassigned YES unset down down
Serial0/1/0:7 unassigned YES unset down down
Serial0/1/0:8 unassigned YES unset down down

Serial0/1/0:9 unassigned YES unset down down
Serial0/1/0:10 unassigned YES unset down down
Serial0/1/0:11 unassigned YES unset down down
Serial0/1/0:12 unassigned YES unset down down
Serial0/1/0:13 unassigned YES unset down down
Serial0/1/0:23 unassigned YES NVRAM up up

 

MGCP config 

#sh run | sec mgcp
pri-group timeslots 1-14,24 service mgcp
ccm-manager fallback-mgcp
ccm-manager mgcp
mgcp
mgcp call-agent <CCMIP> 2427 service-type mgcp version 0.1
mgcp dtmf-relay voip codec all mode out-of-band
mgcp rtp unreachable timeout 1000 action notify
mgcp modem passthrough voip mode nse
mgcp package-capability rtp-package
no mgcp package-capability res-package
mgcp package-capability sst-package
no mgcp package-capability fxr-package
mgcp package-capability pre-package
no mgcp timer receive-rtcp
mgcp sdp simple
mgcp rtp payload-type g726r16 static
mgcp bind control source-interface GigabitEthernet0/0
mgcp bind media source-interface GigabitEthernet0/0
mgcp profile default