[cisco-nas] ISDN PRI back-to-back - again

[Nemec Ladislav]

Hello,

I want to test some dialer watch scenario, but I don't have ISDN switch.
So I used back-to-back PRI connection between two routers.

On dialing router I received:

 

*Mar  2 13:55:37.372: ISDN Se1/0:15 Q931: TX -> SETUP pd = 8  callref =
0x3DC8 

        Bearer Capability i = 0x8890 

                Standard = CCITT 

                Transer Capability = Unrestricted Digital 

                Transfer Mode = Circuit 

                Transfer Rate = 64 kbit/s 

        Channel ID i = 0xA9839F 

                Exclusive, Channel 31 

        Called Party Number i = 0x81, '320' 

                Plan:ISDN, Type:Unknown

*Mar  2 13:55:37.388: ISDN Se1/0:15 Q931: RX <- CALL_PROC pd = 8
callref = 0xBDC8 

        Channel ID i = 0xA9839F 

                Exclusive, Channel 31

*Mar  2 13:55:37.392: ISDN Se1/0:15 Q931: RX <- CONNECT pd = 8  callref
= 0xBDC8 

        Channel ID i = 0xA9839F 

                Exclusive, Channel 31

*Mar  2 13:55:37.396: ISDN Se1/0:15 **ERROR**:
call_setup_ack_proceeding: NO HDLC available b channel 30 call id 0xBDC8

*Mar  2 13:55:37.400: ISDN  **ERROR**: Module-CCPRI
Function-CCPCC_CallReleasing  Error-Unknown event received in message
from L3 ono 1ebug isdn q931

*Mar  2 13:55:37.404: ISDN Se1/0:15 Q931: TX -> DISCONNECT pd = 8
callref = 0x3DC8 

        Cause i = 0x80A2 - No circuit/channel available

*Mar  2 13:55:37.412: ISDN Se1/0:15 Q931: RX <- RELEASE pd = 8  callref
= 0xBDC8

*Mar  2 13:55:37.420: ISDN Se1/0:15 Q931: TX -> RELEASE_COMP pd = 8
callref = 0x3DC8

*Mar  2 13:55:37.424: ISDN Se1/0:15 Q931: Applying typeplan for sw-type
0x12 is 0x0 0x1, Called num 320

 

 

I don't know, why dialing router is still disconnecting call, if
opposite router accept call. Cause is "No circuit/channel available",
but there is no more calls.

 

 

Laco Nemec.

 

 

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