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CALLS WITHOUT AUDIO

Hi,

We have a problem in some telephone calls. The problem happens when we make some external phone calls, there isn´t audio and there isn´t tone.

The Gateway is an Cisco 2821.

I have captured a trace of a phone call with the problem:

Jul  7 11:58:24.757: ISDN Se0/0/1:15 Q931: TX -> SETUP pd = 8  callref = 0x2040
        Bearer Capability i = 0x8090A3
                Standard = CCITT
                Transfer Capability = Speech 
                Transfer Mode = Circuit
                Transfer Rate = 64 kbit/s
        Channel ID i = 0xA9839E
                Exclusive, Channel 30
        Calling Party Number i = 0x0081, '926248391'
                Plan:Unknown, Type:Unknown
        Called Party Number i = 0x80, '926410266'
                Plan:Unknown, Type:Unknown
GW-CR-NTP-2#
GW-CR-NTP-2#
GW-CR-NTP-2#
*Jul  7 11:58:24.829: ISDN Se0/0/1:15 Q931: RX <- STATUS pd = 8  callref = 0xA040
        Cause i = 0x82E46C - Invalid information element contents
        Call State i = 0x01
*Jul  7 11:58:24.833: ISDN Se0/0/1:15 Q931: RX <- CALL_PROC pd = 8  callref = 0xA040
        Channel ID i = 0xA9839E
                Exclusive, Channel 30
*Jul  7 11:58:25.541: ISDN Se0/0/1:15 Q931: RX <- ALERTING pd = 8  callref = 0xA040
        Progress Ind i = 0x8282 - Destination address is non-ISDN
GW-CR-NTP-2#
GW-CR-NTP-2#
   
*
*Jul  7 11:58:38.309: ISDN Se0/0/1:15 Q931: RX <- CONNECT pd = 8  callref = 0xA040
        Date/Time i = 0x0A07070E0429
        Locking Shift to Codeset 5
        Codeset 5 IE 0x7C  i = 0x01A3, '926410266'
*Jul  7 11:58:38.313: %ISDN-6-CONNECT: Interface Serial0/0/1:29 is now connected to 926410266 N/A
*Jul  7 11:58:38.313: %ISDN-6-CONNECT: Interface Serial0/0/1:29 is now connected to 926410266 N/A
*Jul  7 11:58:38.313: ISDN Se0/0/1:15 Q931: TX -> CONNECT_ACK pd = 8  callref = 0x2040

*Jul  7 11:58:43.317: ISDN Se0/0/1:15 Q931: RX <- NOTIFY pd = 8  callref = 0xA040
        Notification Ind i = 0x80

*Jul  7 11:58:47.837: ISDN Se0/0/1:15 Q931: TX -> DISCONNECT pd = 8  callref = 0x2040
        Cause i = 0x8090 - Normal call clearing
*Jul  7 11:58:47.897: ISDN Se0/0/1:15 Q931: RX <- RELEASE pd = 8  callref = 0xA040
        Cause i = 0x8090 - Normal call clearing
*Jul  7 11:58:47.901: ISDN Se0/0/1:15 Q931: TX -> RELEASE_COMP pd = 8  callref = 0x2040
*Jul  7 11:58:51.477: ISDN Se0/1/0:15 Q931: Applying typeplan for sw-type 0x12 is 0x0 0x0, Calling num 926269985
*Jul  7 11:58:51.481: ISDN Se0/1/0:15 Q931: Applying typeplan for sw-type 0x12 is 0x0 0x0, Called num 926276923

Can anybody help me??

Thanks,

1 REPLY

Re: CALLS WITHOUT AUDIO

Hi,

To continuous, I attached other of a telephone call where your cand find the problem, telephone call without audio:

*Jul 13 10:48:40.886: ISDN Se0/1/0:15 Q931: Applying typeplan for sw-type 0x12 is 0x0 0x0, Calling num 949848396
*Jul 13 10:48:40.886: ISDN Se0/1/0:15 Q931: Applying typeplan for sw-type 0x12 is 0x0 0x0, Called num 949332825
*Jul 13 10:48:40.886: ISDN Se0/1/0:15 Q931: TX -> SETUP pd = 8  callref = 0x6AB9
        Bearer Capability i = 0x8090A3
                Standard = CCITT
                Transfer Capability = Speech 
                Transfer Mode = Circuit
                Transfer Rate = 64 kbit/s
        Channel ID i = 0xA9839C
                Exclusive, Channel 28
        Calling Party Number i = 0x0081, '949848396'
                Plan:Unknown, Type:Unknown
        Called Party Number i = 0x80, '949332825'
                Plan:Unknown, Type:Unknown
*Jul 13 10:48:41.026: ISDN Se0/1/0:15 Q931: RX <- CALL_PROC pd = 8  callref = 0xEAB9
        Channel ID i = 0xA9839C
                Exclusive, Channel 28
*Jul 13 10:48:41.210: ISDN Se0/1/0:15 Q931: RX <- ALERTING pd = 8  callref = 0xEAB9
        Progress Ind i = 0x8488 - In-band info or appropriate now available 
        Progress Ind i = 0x8482 - Destination address is non-ISDN

*Jul 13 10:48:58.378: ISDN Se0/1/0:15 Q931: RX <- CONNECT pd = 8  callref = 0xEAB9
        Date/Time i = 0x0A070D0C2D1A
*Jul 13 10:48:58.378: %ISDN-6-CONNECT: Interface Serial0/1/0:27 is now connected to 949332825 N/A
*Jul 13 10:48:58.378: %ISDN-6-CONNECT: Interface Serial0/1/0:27 is now connected to 949332825 N/A
*Jul 13 10:48:58.382: ISDN Se0/1/0:15 Q931: TX -> CONNECT_ACK pd = 8  callref = 0x6AB9

*Jul 13 10:49:06.414: %ISDN-6-DISCONNECT: Interface Serial0/1/0:27  disconnected from 949332825 , call lasted 8 seconds
*Jul 13 10:49:06.414: ISDN Se0/1/0:15 Q931: TX -> DISCONNECT pd = 8  callref = 0x6AB9
        Cause i = 0x8090 - Normal call clearing
*Jul 13 10:49:06.482: ISDN Se0/1/0:15 Q931: RX <- RELEASE pd = 8  callref = 0xEAB9
        Display i = ' 4 PASOS'
        Locking Shift to Codeset 5
        Codeset 5 IE 0x1A  i = 0xC404
*Jul 13 10:49:06.482: ISDN Se0/1/0:15 Q931: TX -> RELEASE_COMP pd = 8  callref = 0x6AB9

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