03-13-2008 12:16 PM - edited 03-15-2019 09:26 AM
We have a QSIG CM and BT Switch. Certain calls get connected while some calls get a Cause i = 0x82E6 - Recovery on timer expiry message
Below are two isdn q931 debug outputs:
Working:
Router1(conf-serv-h323)#
Mar 13 19:00:18.474: ISDN Se0/1/0:23 Q931: Applying typeplan for sw-type 0x16 is 0x2 0x1, Calling num 7187511262
Mar 13 19:00:18.474: ISDN Se0/1/0:23 Q931: Applying typeplan for sw-type 0x16 is 0x0 0x0, Called num 1156
Mar 13 19:00:18.474: ISDN Se0/1/0:23 Q931: TX -> SETUP pd = 8 callref = 0x00AE
Bearer Capability i = 0x8090A2
Standard = CCITT
Transfer Capability = Speech
Transfer Mode = Circuit
Transfer Rate = 64 kbit/s
Channel ID i = 0xA98381
Exclusive, Channel 1
Facility i = 0x9F8B0100A10F02010106072A8648CE1500040A0100
Progress Ind i = 0x8483 - Origination address is non-ISDN
Calling Party Number i = 0x2183, '7187511262'
Plan:ISDN, Type:National
Called Party Number i = 0x80, '1156'
Plan:Unknown, Type:Unknown
Mar 13 19:00:18.494: ISDN Se0/1/0:23 Q931: RX <- SETUP_ACK pd = 8 callref = 0x80AE
Channel ID i = 0xA98381
Exclusive, Channel 1
Progress Ind i = 0x8483 - Origination address is non-ISDN
Mar 13 19:00:18.818: ISDN Se0/1/0:23 Q931: TX -> FACILITY pd = 8 callref = 0x00AE
Facility i = 0x9F8B0100A117020101020100800F43656C6C2050686F6E652020204E59
Mar 13 19:00:33.523: ISDN Se0/1/0:23 Q931: RX <- CALL_PROC pd = 8 callref = 0x80AE
Channel ID i = 0xA98381
Exclusive, Channel 1
Mar 13 19:00:33.663: ISDN Se0/1/0:23 Q931: RX <- ALERTING pd = 8 callref = 0x80AE
Channel ID i = 0xA98381
Exclusive, Channel 1
Router1(conf-serv-h323)#do u all
Non-Working:
Mar 13 18:59:02.291: ISDN Se0/1/0:23 Q931: Applying typeplan for sw-type 0x16 is 0x2 0x1, Calling num 2127925679
Mar 13 18:59:02.291: ISDN Se0/1/0:23 Q931: Applying typeplan for sw-type 0x16 is 0x0 0x0, Called num 1156
Mar 13 18:59:02.291: ISDN Se0/1/0:23 Q931: TX -> SETUP pd = 8 callref = 0x00AD
Bearer Capability i = 0x8090A2
Standard = CCITT
Transfer Capability = Speech
Transfer Mode = Circuit
Transfer Rate = 64 kbit/s
Channel ID i = 0xA98381
Exclusive, Channel 1
Facility i = 0x9F8B0100A10F02010106072A8648CE1500040A0100
Calling Party Number i = 0x2183, '2127925772'
Plan:ISDN, Type:National
Called Party Number i = 0x80, '1156'
Plan:Unknown, Type:Unknown
Mar 13 18:59:02.311: ISDN Se0/1/0:23 Q931: RX <- SETUP_ACK pd = 8 callref = 0x80AD
Channel ID i = 0xA98381
Exclusive, Channel 1
Mar 13 18:59:02.515: ISDN Se0/1/0:23 Q931: TX -> FACILITY pd = 8 callref = 0x00AD
Facility i = 0x9F8B0100A117020101020100800F5245475553204255532043454E5445
Mar 13 18:59:12.284: ISDN Se0/1/0:23 Q931: TX -> DISCONNECT pd = 8 callref = 0x00AD
Cause i = 0x82E6 - Recovery on timer expiry
Mar 13 18:59:12.292: ISDN Se0/1/0:23 Q931: RX <- RELEASE pd = 8 callref = 0x80AD
Cause i = 0x82E6 - Recovery on timer expiry
Mar 13 18:59:12.296: ISDN Se0/1/0:23 Q931: TX -> RELEASE_COMP pd = 8 callref = 0x00AD
Any idea why this is happening? Running the following IOS:
Cisco IOS Software, 2800 Software (C2800NM-IPVOICE_IVS-M), Version 12.4(15)T3, RELEASE SOFTWARE (fc1)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2008 by Cisco Systems, Inc.
Compiled Thu 24-Jan-08 15:26 by prod_rel_team
ROM: System Bootstrap, Version 12.4(13r)T, RELEASE SOFTWARE (fc1)
03-13-2008 01:15 PM
Mar 13 18:59:12.284: ISDN Se0/1/0:23 Q931: TX -> DISCONNECT pd = 8 callref = 0x00AD
Cause i = 0x82E6 - Recovery on timer expiry
If you check working one
Remote end is never responding with a CALL PROCEEDING you may check with BT switch vendor
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