[cisco-voip] 7937 Can't call out

Wed May 27 11:54:20 EDT 2009

Got it fixed...

http://forums.cisco.com/eforum/servlet/NetProf?page=netprof&forum=Unifie
d%20Communications%20and%20Video&topic=IP%20Telephony&topicID=.ee6c829&f
romOutline=&CommCmd=MB%3Fcmd%3Ddisplay_location%26location%3D.2cc2b845

"I have the same issue with the 7937 phone forcing g722 and have also
have a tac case open. 
Did you ever have a resolution to this issue? I'll post back here if I
get a satisfactory answer myself."

"Apparently the issue was on our Voice Gateway (which is H323). Cisco
suggested the following: 

"Add 'incoming called-number .' to one of the voip dial peers on the
gateway...dial-peer voice 20 or 30 voip...." 
"dial-peer 0 was trying to setup using g722"

From: Wes Sisk [mailto:wsisk at cisco.com] 
Sent: Wednesday, May 27, 2009 10:46 AM
To: Carter, Bill
Cc: cisco-voip at puck.nether.net
Subject: Re: [cisco-voip] 7937 Can't call out

"Cause i = 0x80AC - Requested circuit/channel not available"

CM can set this cause code but does not seem likely in this case.  

I believe there is a hint here:
May 27 15:15:47.325 UTC: ISDN Se0/2/1:23 Q931: RX <- CALL_PROC pd = 8
callref = 0xB987
        Channel ID i = 0xA98397
                Exclusive, Channel 23
May 27 15:15:52.101 UTC: ISDN Se0/2/1:23 Q931: RX <- PROGRESS pd = 8
callref = 0xB987
        Progress Ind i = 0x8288 - In-band info or appropriate now
available
May 27 15:15:52.125 UTC: ISDN Se0/2/1:23 Q931: TX -> DISCONNECT pd = 8
callref = 0x3987
        Cause i = 0x80AC - Requested circuit/channel not available

peer switch says to use channel 23 and everything progresses fine.
peer switch says to cut through audio and immediately the call is
disconnected.

Just a guess - the DSP for channel23 either does not exist or is
terminally ill.  Do you have enough DSPs for the total number of DS0's?
Are you using Flex DSP allocation or static DSP allocation?

"show diag"
"show voice dsp"
...
NM-HDV:
http://www.cisco.com/en/US/tech/tk652/tk653/technologies_tech_note09186a
00800e66b1.shtml
NM-HDV2
http://www.cisco.com/en/US/products/hw/modules/ps2617/products_tech_note
09186a008039c316.shtml

/Wes

On Wednesday, May 27, 2009 11:32:29 AM, Carter, Bill
<bcarter at sentinel.com> <mailto:bcarter at sentinel.com>  wrote:

I have a 7937G conference phone that can't place outbound calls. All
outbound calls for other phones work.

CM 6.1.3.3201-1

7937 Phone Load 1.3(3)

>From the Gateway:

May 27 15:15:47.261 UTC: ISDN Se0/2/1:23 Q931: Applying typeplan for
sw-type 0xD is 0x2 0x1, Calling num 6365551212

May 27 15:15:47.265 UTC: ISDN Se0/2/1:23 Q931: Applying typeplan for
sw-type 0xD is 0x0 0x0, Called num 12177790000

May 27 15:15:47.265 UTC: ISDN Se0/2/1:23 Q931: TX -> SETUP pd = 8
callref = 0x3987

        Bearer Capability i = 0x8090A2

                Standard = CCITT

                Transfer Capability = Speech

                Transfer Mode = Circuit

                Transfer Rate = 64 kbit/s

        Channel ID i = 0xA98397

                Exclusive, Channel 23

        Facility i =
0x9F8B0100A1210201440201008019326E6420466C6F6F7220436F6E666572656E636520
526F6F6D

                Protocol Profile =  Networking Extensions

0xA1210201440201008019326E6420466C6F6F7220436F6E666572656E636520526F6F6D

                Component = Invoke component

                        Invoke Id = 68

                        Operation = CallingName

                                Name Presentation Allowed Extended

                                Name = 2nd Floor Conference Room

        Calling Party Number i = 0x2181, '6365551212'

                Plan:ISDN, Type:National

        Called Party Number i = 0x80, '12177790000'

                Plan:Unknown, Type:Unknown

May 27 15:15:47.325 UTC: ISDN Se0/2/1:23 Q931: RX <- CALL_PROC pd = 8
callref = 0xB987

        Channel ID i = 0xA98397

                Exclusive, Channel 23

May 27 15:15:52.101 UTC: ISDN Se0/2/1:23 Q931: RX <- PROGRESS pd = 8
callref = 0xB987

        Progress Ind i = 0x8288 - In-band info or appropriate now
available

May 27 15:15:52.125 UTC: ISDN Se0/2/1:23 Q931: TX -> DISCONNECT pd = 8
callref = 0x3987

        Cause i = 0x80AC - Requested circuit/channel not available

May 27 15:15:52.161 UTC: ISDN Se0/2/1:23 Q931: RX <- RELEASE pd = 8
callref = 0xB987

May 27 15:15:52.161 UTC: ISDN Se0/2/1:23 Q931: TX -> RELEASE_COMP pd = 8
callref = 0x3987

~*~*~*~*~*~*~*~*~*~*~*~*

Bill Carter

Senior Network Analyst

CCIE 5022

Sentinel Technologies, Inc

bcarter at sentinel.com

SNR: 217.391.5015

~*~*~*~*~*~*~*~*~*~*~*~*

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