Dear All,
Weird issue.. I have a E1 PRI line on a 3925 MGCP gateway to a CUCM 8.0.3.
- Outbound calls does not reach the gateway at all.
- Inbound calls reached the gateway, rings for max 1 sec and then disconnects.
- the ISDN Q931 debug shows the following -
*Dec 9 09:29:58.123: ISDN Se0/0/0:15 Q931: RX <- SETUP pd = 8 callref = 0x0055
Sending Complete
Bearer Capability i = 0x8090A3
Standard = CCITT
Transfer Capability = Speech
Transfer Mode = Circuit
Transfer Rate = 64 kbit/s
Channel ID i = 0xA18381
Preferred, Channel 1
Calling Party Number i = 0x2183, '99262694'
Plan:ISDN, Type:National
Called Party Number i = 0xA1, '313'
Plan:ISDN, Type:National
*Dec 9 09:29:59.143: ISDN Se0/0/0:15 Q931: TX -> RELEASE_COMP pd = 8 callref =
0x8055
Cause i = 0x80A9 - Temporary failure
I escalated the issue to the Telco and still no response. Just to be on the safe side i used a spare router (cisco 2811) with the exact same config and it worked perfectly (both in and out was succesfull)
I suspect a IOS bug or something related to the IOS. I tired the following IOS and still the same issue -
c3900-universalk9-mz.SPA.150-1.M4
c3900-universalk9-mz.SPA.151-1.T
c3900-universalk9-mz.SPA.151-3.T2
c3900-universalk9-mz.SPA.151-4.M
NB: (the IOS on the 2811 router is advancedenterprise -124-22.YB8)
I also see form the above debug that the router is sending a release complete signal as soon as the inbound call comes in.
Any help will be appreciated.
Regards,
Shabeeb
