The CSS is 4 digits,
The similars routern pattern are in diferent partitions, please look the files: m1, m2, m3 y m4.
172.20.200.20#debug isdn q931
debug isdn q931 is ON.
*Sep 6 18:07:38.259: MGCP Packet sent to 172.20.200.15:2427--->
NTFY 365618475 *@172.20.200.20 MGCP 0.1
*Sep 6 18:07:38.259: MGCP Packet received from 172.20.200.15:2427--->
*Sep 6 18:07:52.235: ISDN Se0/0/0:15 Q931: RX <- SETUP pd = 8 callref = 0x1E66
Bearer Capability i = 0x8090A3
Standard = CCITT
Transfer Capability = Speech
Transfer Mode = Circuit
Transfer Rate = 64 kbit/s
Channel ID i = 0xA98381
Exclusive, Channel 1
Calling Party Number i = 0x0181, '24139496'
Called Party Number i = 0xA1, '5253'
*Sep 6 18:07:52.243: ISDN Se0/0/0:15 Q931: TX -> RELEASE_COMP pd = 8 callref = 0x9E66
Cause i = 0x809B - Destination out of order
*Sep 6 18:07:53.259: MGCP Packet sent to 172.20.200.15:2427--->
NTFY 365618476 *@172.20.200.20 MGCP 0.1
*Sep 6 18:07:53.259: MGCP Packet received from 172.20.200.15:2427--->
172.20.200.20#terminal no monitor
*Sep 6 18:08:08.259: MGCP Packet sent to 172.20.200.15:2427--->
NTFY 365618477 *@172.20.200.20 MGCP 0.1
*Sep 6 18:08:08.259: MGCP Packet received from 172.20.200.15:2427--->
This box has been up for a year. Have considered rebooting before troubleshooting further this issue.
It could save you time and energy .
Please rate helpful answers!
Is it just happening for the single number "5253" or for all number.
I see you have two E1, is the other one acting as a backup for inbound and outbound calls.
If so, can you shut the E1 0/0/0 and see how the calls are working on other controller.
From my understanding it seems like call manager is not responding with CRCX after the Gateway NTFY about the inbound event. Can you try negate mgcp with "no mgcp" and add mgcp back and test the calls.
It would be great if you can pull the detailed CUCM trace and attach here.
This time your gateway resonded and your gateway is sending different release code "Destination out of Order" to the PSTN.
Have you done any kind of modification?
Also please share the detailed RTMT trace of CUCM as well.
Thanks & Regards,