[cisco-voip] Cause 0x80AA Switching Equipment Congestion

[Dave Wolgast]

Has anyone seen this before? We are not able to send/receive calls via our
PRIs and get this cause code. Here is the full ISDN q931 output:

Mar 16 11:06:38.652: ISDN Se0/1/0:23 Q931: RX <- SETUP pd = 8  callref =
0x0283
        Bearer Capability i = 0x8090A2
                Standard = CCITT
                Transfer Capability = Speech
                Transfer Mode = Circuit
                Transfer Rate = 64 kbit/s
        Channel ID i = 0xA98381
                Exclusive, Channel 1
        Calling Party Number i = 0x2183, '8168779065'
                Plan:ISDN, Type:National
        Called Party Number i = 0x80, '7777'
                Plan:Unknown, Type:Unknown
Mar 16 11:06:38.652: ISDN Se0/1/0:23 Q931: Received SETUP  callref = 0x8283
callID = 0x240D switch = primary-ni interface = User
Mar 16 11:06:38.656: ISDN Se0/1/0:23 Q931: TX -> RELEASE_COMP pd = 8
 callref = 0x8283
        Cause i = 0x80AA - Switching equipment congestion
Mar 16 11:06:39.812: ISDN Se0/1/0:23 Q931: RX <- SETUP pd = 8  callref =
0x0284
        Bearer Capability i = 0x8090A2
                Standard = CCITT
                Transfer Capability = Speech
                Transfer Mode = Circuit
                Transfer Rate = 64 kbit/s
        Channel ID i = 0xA98381
                Exclusive, Channel 1
        Calling Party Number i = 0x2183, '8168779065'
                Plan:ISDN, Type:National
        Called Party Number i = 0x80, '7777'
                Plan:Unknown, Type:Unknown
Mar 16 11:06:39.812: ISDN Se0/1/0:23 Q931: Received SETUP  callref = 0x8284
callID = 0x240E switch = primary-ni interface = User
Mar 16 11:06:39.816: ISDN Se0/1/0:23 Q931: TX -> RELEASE_COMP pd = 8
 callref = 0x8284
        Cause i = 0x80AA - Switching equipment congestion

Some research shows a potential issue with bad DSPs, but that doesn't
appear to be the case here.

Any help is appreciated.

-- 
Dave Wolgast
Livonia, NY
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