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MGCP hairpinning not working

Hi All,

I am running in to a problem where hairpinning of calls fail. Please find the below Q931 debugs outgoing call.

I am using MGCP as the gateway protocol. I am trying to achive hairpinning of calls of on the same E1.

I am using cisco PGW2200 as my call agent.

16 13:20:40.419 IST: ISDN Se0/3/1:15 BKHL Q931: TX -> SETUP pd = 8  callref = 0x0004
        Bearer Capability i = 0x9090A3
                Standard = CCITT
                Transfer Capability = 3.1kHz Audio
                Transfer Mode = Circuit
                Transfer Rate = 64 kbit/s
        Channel ID i = 0xA98382
                Exclusive, Channel 2
        Progress Ind i = 0x8283 - Origination address is non-ISDN
        Calling Party Number i = 0x2183, '1204244700'
                Plan:ISDN, Type:National
        Called Party Number i = 0x81, '9717583488'
                Plan:ISDN, Type:Unknown
        Redirecting Number i = 0x0180, '1010211072'
                Plan:ISDN, Type:Unknown
        Sending Complete
Apr 16 13:20:40.443 IST: ISDN Se0/3/1:15 BKHL Q931: RX <- STATUS pd = 8  callref = 0x8004
        Cause i = 0x82E39874 - Information element not implemented
        Call State i = 0x01
Apr 16 13:20:40.463 IST: ISDN Se0/3/1:15 BKHL Q931: RX <- CALL_PROC pd = 8  callref = 0x8004
        Channel ID i = 0xA98382
                Exclusive, Channel 2
Apr 16 13:20:40.479 IST: ISDN Se0/3/1:15 BKHL Q931: TX -> RELEASE_COMP pd = 8  callref = 0x0004
        Cause i = 0x82E5 - Message not compatible with call state
Apr 16 13:20:40.479 IST: ISDN Se0/3/1:15 BKHL Q931: TX -> DISCONNECT pd = 8  callref = 0x8062
        Cause i = 0x82E59874 - Message not compatible with call state
Apr 16 13:20:40.499 IST: ISDN Se0/3/1:15 BKHL Q931: TX -> STATUS pd = 8  callref = 0x0004
        Cause i = 0x82E50274 - Message not compatible with call state
        Call State i = 0x0B
Apr 16 13:20:40.527 IST: ISDN Se0/3/1:15 BKHL Q931: RX <- RELEASE pd = 8  callref = 0x8004
        Cause i = 0x82E57D - Message not compatible with call state
Apr 16 13:20:40.551 IST: ISDN Se0/3/1:15 BKHL Q931: RX <- RELEASE pd = 8  callref = 0x0062
Apr 16 13:20:40.559 IST: ISDN Se0/3/1:15 BKHL Q931: TX -> RELEASE_COMP pd = 8  callref = 0x0004
        Cause i = 0x83D1 - Invalid call reference value

Thanks

Aravind

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