[cisco-voip] Cause 0x80AA Switching Equipment Congestion

[Buchanan, James]

I hit this. Bad DSPs and/or chassis was the culprit. What version of IOS? They also had us change that.

James Buchanan| UC Technology Manager | Presidio South | Presidio Networked Solutions
12 Cadillac Dr Ste 130 Brentwood, TN 37027 | jbuchanan at presidio.com<mailto:jbuchanan at presidio.com>
D: 615-866-5729 | F:615-866-5781  www.presidio.com<http://www.presidio.com/>

From: cisco-voip-bounces at puck.nether.net [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Dave Wolgast
Sent: Friday, March 16, 2012 12:16 PM
To: Cisco VOIP Newsletter - puck.nether.net
Subject: Re: [cisco-voip] Cause 0x80AA Switching Equipment Congestion

I haven't found a root cause for this, but a reload of the gateway seems to have resolved the issue.

On Fri, Mar 16, 2012 at 12:13 PM, Dave Wolgast <dwolgas1 at rochester.rr.com<mailto:dwolgas1 at rochester.rr.com>> wrote:
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<tel: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<tel: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

--
Dave Wolgast
Livonia, NY
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