03-26-2007 03:03 AM - edited 03-14-2019 08:41 PM
A customer has a integration with nortel and CM (qsig). When they play a call to the nortel and no voice is present. How to troubleshoot this problem.
Troubeleshooting:
rtr_telephony_1#term mon
rtr_telephony_1#un all
All possible debugging has been turned off
rtr_telephony_1#debug isdn q93
debug isdn q931 is ON.
rtr_telephony_1#
000104: *Mar 20 08:46:02.491 PCTime: ISDN Se0/3/0:15 Q931: RX <- SETUP pd = 8 c
allref = 0x1900
Bearer Capability i = 0x8090A3
Standard = CCITT
Transfer Capability = Speech
Transfer Mode = Circuit
Transfer Rate = 64 kbit/s
Channel ID i = 0xA98399
Exclusive, Channel 25
Progress Ind i = 0x8183 - Origination address is non-ISDN
Calling Party Number i = 0x4980, '1579'
Plan:Private, Type:Subscriber(local)
Called Party Number i = 0xC9, '3202'
Plan:Private, Type:Subscriber(local)
Sending Complete
Locking Shift to Codeset 5
Codeset 5 IE 0x31 i = 0x80
Codeset 5 IE 0x32 i = 0x81
rtr_telephony_1#
000105: *Mar 20 08:46:02.527 PCTime: ISDN Se0/3/0:15 Q931: TX -> CALL_PROC pd =
8 callref = 0x9900
Channel ID i = 0xA98399
Exclusive, Channel 25
000106: *Mar 20 08:46:02.527 PCTime: ISDN Se0/3/0:15 Q931: TX -> ALERTING pd = 8
callref = 0x9900
Progress Ind i = 0x8088 - In-band info or appropriate now available
rtr_telephony_1#
000107: *Mar 20 08:46:04.015 PCTime: ISDN Se0/3/0:15 Q931: TX -> CONNECT pd = 8
callref = 0x9900
Facility i = 0x91AA06800100820100A113020102020102800B43656573204265696A6
572
Connected Number i = 0x0081, '3202'
000108: *Mar 20 08:46:04.051 PCTime: ISDN Se0/3/0:15 Q931: RX <- CONNECT_ACK pd
= 8 callref = 0x1900
rtr_telephony_1#
000109: *Mar 20 08:46:11.507 PCTime: ISDN Se0/3/0:15 Q931: TX -> DISCONNECT pd =
8 callref = 0x9900
Cause i = 0x8090 - Normal call clearing
000110: *Mar 20 08:46:11.535 PCTime: ISDN Se0/3/0:15 Q931: RX <- RELEASE pd = 8
callref = 0x1900
000111: *Mar 20 08:46:11.547 PCTime: ISDN Se0/3/0:15 Q931: TX -> RELEASE_COMP pd
= 8 callref = 0x9900
rtr_telephony_1#un all
All possible debugging has been turned off
rtr_telephony_1#sh ccm
MGCP Domain Name: rtr_telephony_1.global.net
Priority Status Host
============================================================
Primary Registered 10.1.30.135
First Backup None
Second Backup None
Current active Call Manager: 10.1.30.135
Backhaul/Redundant link port: 2428
Failover Interval: 30 seconds
Keepalive Interval: 15 seconds
Last keepalive sent: 08:46:27 PCTime Mar 20 2007 (elapsed time: 00:00
:10)
Last MGCP traffic time: 08:46:27 PCTime Mar 20 2007 (elapsed time: 00:00
:10)
Last failover time: None
Last switchback time: None
Switchback mode: Graceful
MGCP Fallback mode: Enabled/OFF
Last MGCP Fallback start time: None
Last MGCP Fallback end time: None
MGCP Download Tones: Disabled
Backhaul Link info:
Link Protocol: TCP
Remote Port Number: 2428
Remote IP Address: 10.1.30.135
Current Link State: OPEN
Statistics:
Packets recvd: 11
Recv failures: 0
Packets xmitted: 9
Xmit failures: 0
PRI Ports being backhauled:
Slot 0, VIC 3, port 1
Slot 0, VIC 3, port 0
Configuration Error History:
FAX mode: cisco
rtr_telephony_1#
======================
03-26-2007 04:31 AM
sebastian,
seems to be a problem with "channel selection order" at the ccm gateway configuration. I think it should be "bottom up" on the callmanager side.
regards
mehmet
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