Number unobtainable via a QSIG link between Cisco and Siemens...

Unanswered Question
Aug 17th, 2009

Hi,

I am using CM 7.0 with a QSIG to a Siemens Realitis I have a problem with user busy status in the hybrid environment, when a Cisco phone calls a Siemens phone whilst it is in use you get engaged tone as expected, however the reverse gives number unobtainable. I have completed a debug isdn q931 below -

Cisco to Siemens

Aug 17 13:04:15.268: ISDN Se0/0/0:15 Q931: TX -> SETUP pd = 8 callref = 0x6E77

Sending Complete

Bearer Capability i = 0x8090A3

Standard = CCITT

Transfer Capability = Speech

Transfer Mode = Circuit

Transfer Rate = 64 kbit/s

Channel ID i = 0xA98381

Exclusive, Channel 1

Facility i = 0x91AA06800100820100A11602010006042B0C0900800B4A616D6573204E6F626273

Calling Party Number i = 0x0081, '3533'

Plan:Unknown, Type:Unknown

Called Party Number i = 0x80, '7004909'

Plan:Unknown, Type:Unknown

Aug 17 13:04:15.384: ISDN Se0/0/0:15 Q931: RX <- CALL_PROC pd = 8 callref = 0xEE77

Channel ID i = 0xA98381

Exclusive, Channel 1

DEVG01#

Aug 17 13:04:15.620: ISDN Se0/0/0:15 Q931: RX <- DISCONNECT pd = 8 callref = 0xEE77

Cause i = 0x8191 - User busy

Aug 17 13:04:15.660: ISDN Se0/0/0:15 Q931: TX -> RELEASE pd = 8 callref = 0x6E77

Aug 17 13:04:15.788: ISDN Se0/0/0:15 Q931: RX <- RELEASE_COMP pd = 8 callref = 0xEE77

Siemens to Cisco

Aug 17 13:04:52.304: ISDN Se0/0/0:15 Q931: RX <- SETUP pd = 8 callref = 0x5174

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 = 0x0083, '7004909'

Plan:Unknown, Type:Unknown

Called Party Number i = 0x80, '3589'

Plan:Unknown, Type:Unknown

Low Layer Compat i = 0x8090A3

Locking Shift to Codeset 4

Codeset 4 IE 0x31 i = 0x82

Locking Shift to Codeset 5

Codeset 5 IE 0x32 i = 0x81

DEVG01#

Aug 17 13:04:52.316: ISDN Se0/0/0:15 Q931: TX -> CALL_PROC pd = 8 callref = 0xD174

Channel ID i = 0xA98381

Exclusive, Channel 1

Aug 17 13:04:52.524: ISDN Se0/0/0:15 Q931: TX -> DISCONNECT pd = 8 callref = 0xD174

Cause i = 0x8191 - User busy

Facility i = 0x91AA06800100820100A11502010306042B0C0903800A4D61726B204172626F6E

Aug 17 13:04:52.712: ISDN Se0/0/0:15 Q931: RX <- RELEASE pd = 8 callref = 0x5174

Cause i = 0x81E31C - Information element not implemented

Aug 17 13:04:52.740: ISDN Se0/0/0:15 Q931: TX -> RELEASE_COMP pd = 8 callref = 0xD174

Any ideas would be gratefully received.

Regards

James

I have this problem too.
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Paolo Bevilacqua Mon, 08/17/2009 - 07:43

Cisco dis disconnecting by user busy;

Aug 17 13:04:52.524: ISDN Se0/0/0:15 Q931: TX -> DISCONNECT pd = 8 callref = 0xD174

Cause i = 0x8191 - User busy

Facility i = 0x91AA06800100820100A11502010306042B0C0903800A4D61726B204172626F6E

Then PBX complains about that IE, that should not affect the fact Cisco has disconnected correctly, however yuo can prevent the cisco to sen facility IE under interface "no isdn ie outgoig facility".

ictnetworks Wed, 08/19/2009 - 06:30

Tried it still didnt work..

!

interface Serial0/3/0:15

no ip address

encapsulation hdlc

isdn switch-type primary-qsig

isdn incoming-voice voice

isdn bind-l3 ccm-manager

isdn bchan-number-order ascending

no isdn outgoing ie facility

no cdp enable

!

The isdn q931 debug output

*Aug 19 15:32:23: ISDN Se0/3/0:15 Q931: RX <- SETUP pd = 8 callref = 0x0028

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 = 0x00A3, '5808'

Plan:Unknown, Type:Unknown

Called Party Number i = 0x80, '7771'

Plan:Unknown, Type:Unknown

Low Layer Compat i = 0x8090A3

Locking Shift to Codeset 4

Codeset 4 IE 0x31 i = 0x80

Locking Shift to Codeset 5

Codeset 5 IE 0x32 i = 0x81

ocgr22#

*Aug 19 15:32:23: ISDN Se0/3/0:15 Q931: TX -> CALL_PROC pd = 8 callref = 0x8028

Channel ID i = 0xA98381

Exclusive, Channel 1

*Aug 19 15:32:23: ISDN Se0/3/0:15 Q931: TX -> DISCONNECT pd = 8 callref = 0x8028

Cause i = 0x8191 - User busy

Facility i = 0x9FAA06800100820100A1080201030201038400

*Aug 19 15:32:23: ISDN Se0/3/0:15 Q931: RX <- RELEASE pd = 8 callref = 0x0028

Cause i = 0x81E31C - Information element not implemented

*Aug 19 15:32:23: ISDN Se0/3/0:15 Q931: TX -> RELEASE_COMP pd = 8 callref = 0x8028

ocgr22#

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