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not able to call or getting call from Cisco gateway.

Dear all,

i have NEC IPS 2000 PBX connected to cisco 2911 acting as a voice gateway,

The PBX & cisco 2911 are in sync.

below is the isdn status :-

#sh isdn status

Global ISDN Switchtype = primary-qsig

ISDN Serial0/0/0:15 interface

        ******* Network side configuration *******

        dsl 0, interface ISDN Switchtype = primary-qsig

         **** Master side configuration ****

    Layer 1 Status:

        ACTIVE

    Layer 2 Status:

        TEI = 0, Ces = 1, SAPI = 0, State = MULTIPLE_FRAME_ESTABLISHED

    Layer 3 Status:

        0 Active Layer 3 Call(s)

    Active dsl 0 CCBs = 0

    The Free Channel Mask:  0xFFFF7FFF

    Number of L2 Discards = 0, L2 Session ID = 17

    Total Allocated ISDN CCBs = 0

While running debug isdn q93 , i have observed error in debug i.e Cause i = 0x81AC - Requested circuit/channel not available

Can somebody help me what will the issue.::--

SHAH-PKG5-VG01#debug isdn q931
debug isdn q931 is              ON.
SHAH-PKG5-VG01#
SHAH-PKG5-VG01#
SHAH-PKG5-VG01#
SHAH-PKG5-VG01#
SHAH-PKG5-VG01#
SHAH-PKG5-VG01#
SHAH-PKG5-VG01#
Oct 25 14:16:08.489 CEST: ISDN Se0/0/0:15 Q931: Applying typeplan for sw-type 0x12 is 0x0 0x1, Calling num 717053102
Oct 25 14:16:08.489 CEST: ISDN Se0/0/0:15 Q931: Sending SETUP  callref = 0x00D6 callID = 0x8098 switch = primary-net5 interface = Network
Oct 25 14:16:08.489 CEST: ISDN Se0/0/0:15 Q931: TX -> SETUP pd = 8  callref = 0x00D6
        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
        Display i = 'Noc Saipem'
        Calling Party Number i = 0x0181, '717053102'
                Plan:ISDN, Type:Unknown
        Called Party Number i = 0x81, '218'
                Plan:ISDN, Type:Unknown
Oct 25 14:16:08.553 CEST: ISDN Se0/0/0:15 Q931: RX <- RELEASE_COMP pd = 8  callref = 0x80D6
        Cause i = 0x81AC - Requested circuit/channel not available
Oct 25 14:16:09.977 CEST: ISDN Se0/0/0:15 Q931: Applying typeplan for sw-type 0x12 is 0x0 0x1, Calling num 717053102
Oct 25 14:16:09.977 CEST: ISDN Se0/0/0:15 Q931: Sending SETUP  callref = 0x00D7 callID = 0x8099 switch = primary-net5 interface = Network
Oct 25 14:16:09.977 CEST: ISDN Se0/0/0:15 Q931: TX -> SETUP pd = 8  callref = 0x00D7
        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
        Display i = 'Noc Saipem'
        Calling Party Number i = 0x0181, '717053102'
                Plan:ISDN, Type:Unknown
        Called Party Number i = 0x81, '218'
                Plan:ISDN, Type:Unknown
Oct 25 14:16:10.089 CEST: ISDN Se0/0/0:15 Q931: RX <- RELEASE_COMP pd = 8  callref = 0x80D7
        Cause i = 0x81AC - Requested circuit/channel not available
Oct 25 14:16:11.501 CEST: ISDN Se0/0/0:15 Q931: Applying typeplan for sw-type 0x12 is 0x0 0x1, Calling num 717053102
Oct 25 14:16:11.501 CEST: ISDN Se0/0/0:15 Q931: Sending SETUP  callref = 0x00D8 callID = 0x809A switch = primary-net5 interface = Network
Oct 25 14:16:11.501 CEST: ISDN Se0/0/0:15 Q931: TX -> SETUP pd = 8  callref = 0x00D8
        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
        Display i = 'Noc Saipem'
        Calling Party Number i = 0x0181, '717053102'
                Plan:ISDN, Type:Unknown
        Called Party Number i = 0x81, '218'
                Plan:ISDN, Type:Unknown
Oct 25 14:16:11.625 CEST: ISDN Se0/0/0:15 Q931: RX <- RELEASE_COMP pd = 8  callref = 0x80D8
        Cause i = 0x81AC - Requested circuit/channel not available
Oct 25 14:16:13.065 CEST: ISDN Se0/0/0:15 Q931: Applying typeplan for sw-type 0x12 is 0x0 0x1, Calling num 717053102
Oct 25 14:16:13.065 CEST: ISDN Se0/0/0:15 Q931: Sending SETUP  callref = 0x00D9 callID = 0x809B switch = primary-net5 interface = Network
Oct 25 14:16:13.065 CEST: ISDN Se0/0/0:15 Q931: TX -> SETUP pd = 8  callref = 0x00D9
        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
        Display i = 'Noc Saipem'
        Calling Party Number i = 0x0181, '717053102'
                Plan:ISDN, Type:Unknown
        Called Party Number i = 0x81, '218'
                Plan:ISDN, Type:Unknown
Oct 25 14:16:13.161 CEST: ISDN Se0/0/0:15 Q931: RX <- RELEASE_COMP pd = 8  callref = 0x80D9
        Cause i = 0x81AC - Requested circuit/channel not available


THEN I CHANGE THE SWITCHTYPE ON PRIMARY-QSIG AND DID AGAIN THE CALL

         
SHAH-PKG5-VG01#term mon
SHAH-PKG5-VG01#
SHAH-PKG5-VG01#
SHAH-PKG5-VG01#
SHAH-PKG5-VG01#
Oct 25 14:32:12.648 CEST: ISDN Se0/0/0:15 Q931: Applying typeplan for sw-type 0x16 is 0x0 0x1, Calling num 717053102
Oct 25 14:32:12.648 CEST: ISDN Se0/0/0:15 Q931: Sending SETUP  callref = 0x00DA callID = 0x809C switch = primary-qsig interface = Network
Oct 25 14:32:12.648 CEST: ISDN Se0/0/0:15 Q931: TX -> SETUP pd = 8  callref = 0x00DA
        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
        Facility i = 0x9FAA068001018201018B0100A11302020099020100800A4E6F632053616970656D
        Display i = 'Noc Saipem'
        Calling Party Number i = 0x0181, '717053102'
                Plan:ISDN, Type:Unknown
        Called Party Number i = 0x81, '218'
                Plan:ISDN, Type:Unknown
Oct 25 14:32:12.804 CEST: ISDN Se0/0/0:15 Q931: RX <- RELEASE_COMP pd = 8  callref = 0x80DA
        Cause i = 0x81AC - Requested circuit/channel not available
Oct 25 14:32:14.284 CEST: ISDN Se0/0/0:15 Q931: Applying typeplan for sw-type 0x16 is 0x0 0x1, Calling num 717053102
Oct 25 14:32:14.284 CEST: ISDN Se0/0/0:15 Q931: Sending SETUP  callref = 0x00DB callID = 0x809D switch = primary-qsig interface = Network
Oct 25 14:32:14.284 CEST: ISDN Se0/0/0:15 Q931: TX -> SETUP pd = 8  callref = 0x00DB
        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
        Facility i = 0x9FAA068001018201018B0100A1130202009A020100800A4E6F632053616970656D
        Display i = 'Noc Saipem'
        Calling Party Number i = 0x0181, '717053102'
                Plan:ISDN, Type:Unknown
        Called Party Number i = 0x81, '218'
                Plan:ISDN, Type:Unknown
Oct 25 14:32:14.444 CEST: ISDN Se0/0/0:15 Q931: RX <- RELEASE_COMP pd = 8  callref = 0x80DB
        Cause i = 0x81AC - Requested circuit/channel not available
Oct 25 14:32:15.872 CEST: ISDN Se0/0/0:15 Q931: Applying typeplan for sw-type 0x16 is 0x0 0x1, Calling num 717053102
Oct 25 14:32:15.872 CEST: ISDN Se0/0/0:15 Q931: Sending SETUP  callref = 0x00DC callID = 0x809E switch = primary-qsig interface = Network
Oct 25 14:32:15.872 CEST: ISDN Se0/0/0:15 Q931: TX -> SETUP pd = 8  callref = 0x00DC
        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
        Facility i = 0x9FAA068001018201018B0100A1130202009B020100800A4E6F632053616970656D
        Display i = 'Noc Saipem'
        Calling Party Number i = 0x0181, '717053102'
                Plan:ISDN, Type:Unknown
        Called Party Number i = 0x81, '218'
                Plan:ISDN, Type:Unknown
Oct 25 14:32:15.980 CEST: ISDN Se0/0/0:15 Q931: RX <- RELEASE_COMP pd = 8  callref = 0x80DC
        Cause i = 0x81AC - Requested circuit/channel not available
Oct 25 14:32:17.364 CEST: ISDN Se0/0/0:15 Q931: Applying typeplan for sw-type 0x16 is 0x0 0x1, Calling num 717053102
Oct 25 14:32:17.364 CEST: ISDN Se0/0/0:15 Q931: Sending SETUP  callref = 0x00DD callID = 0x809F switch = primary-qsig interface = Network
Oct 25 14:32:17.364 CEST: ISDN Se0/0/0:15 Q931: TX -> SETUP pd = 8  callref = 0x00DD
        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
        Facility i = 0x9FAA068001018201018B0100A1130202009C020100800A4E6F632053616970656D
        Display i = 'Noc Saipem'
        Calling Party Number i = 0x0181, '717053102'
                Plan:ISDN, Type:Unknown
        Called Party Number i = 0x81, '218'
                Plan:ISDN, Type:Unknown
Oct 25 14:32:17.516 CEST: ISDN Se0/0/0:15 Q931: RX <- RELEASE_COMP pd = 8  callref = 0x80DD

1 ACCEPTED SOLUTION

Accepted Solutions
Gold

not able to call or getting call from Cisco gateway.

Hi

Check that the number of timeslots that you have configured on your E1 match on both sides.

Cisco gateways call out starting at the highest number timeslot that you have configured. If this timeslot isn't configured on the other end of the connection, you will get "requested channel not available".

HTH. Barry

3 REPLIES
Gold

not able to call or getting call from Cisco gateway.

Hi

Check that the number of timeslots that you have configured on your E1 match on both sides.

Cisco gateways call out starting at the highest number timeslot that you have configured. If this timeslot isn't configured on the other end of the connection, you will get "requested channel not available".

HTH. Barry

New Member

not able to call or getting call from Cisco gateway.

thnks barry...

i will check on that part and get back to you....

meanwhile can you find out lokking at the debug logs, what will be the other possible causes of call not going??

New Member

not able to call or getting call from Cisco gateway.

waiting for your inputs barry.

i have mistakenly marked it correct. i am not sure yet...

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