[cisco-voip] Inbound and outbound calls sometime fail
kevin davalos
kad1186 at yahoo.com
Thu Nov 24 10:10:04 EST 2005
I am having the same problem with CME using analog
trunk lines. After doing some debug we are seeing
calls fail with a "Requested Cahannel Unavaliable
error", which means the DSP ports are in a hanging
state. We are replacing the PVDM2 module and the FXO
cards. Hopefully that will fix our problem.
--- Philip Walenta <pwalenta at wi.rr.com> wrote:
> That error can mean several things, one of the most
> common problems is flaky
> DSP's.
>
> Do a "show voice dsp group all" and see if any are
> in a state other than
> "UP".
>
>
> _____
>
> From: cisco-voip-bounces at puck.nether.net
> [mailto:cisco-voip-bounces at puck.nether.net] On
> Behalf Of Ruttman, Peter G.
> Sent: Tuesday, November 22, 2005 9:52 AM
> To: cisco-voip at puck.nether.net
> Subject: RE: [cisco-voip] Inbound and outbound calls
> sometime fail
>
>
> Here's one of the inbound failure messages I caught
> to the did of 6051:
>
> Bearer Capability i = 0x8090A2
> Standard = CCITT
> Transfer Capability = Speech
> Transfer Mode = Circuit
> Transfer Rate = 64 kbit/s
> Channel ID i = 0xA98393
> Exclusive, Channel 19
> Calling Party Number i = 0x2081,
> '4142712400'
> Plan:Unknown, Type:National
> Called Party Number i = 0x80, '6051'
> Plan:Unknown, Type:Unknown
> Nov 21 15:12:28.680 EST: ISDN Se4/1:23 Q931: TX ->
> RELEASE_COMP pd = 8
> callref
> = 0x81C0
> Cause i = 0x80A9 - Temporary failure
> Nov 21 15:12:29.220 EST: ISDN Se4/0:23 Q931: RX <-
> PROGRESS pd = 8 callref
> = 0x
> 8419
> Progress Ind i = 0x8488 - In-band info or
> appropriate now available
> Nov 21 15:12:29.376 EST: ISDN Se4/0:23 Q931: RX <-
> ALERTING pd = 8 callref
> = 0x
> 8419
> Nov 21 15:12:32.832 EST: ISDN Se4/1:23 Q931: RX <-
> SETUP pd = 8 callref =
> 0x01C
> 1
>
>
> -----Original Message-----
> From: Nick Kassel
> [mailto:Nick.Kassel at Charles-Stanley.co.uk]
> Sent: Tuesday, November 22, 2005 9:40 AM
> To: Ruttman, Peter G.; cisco-voip at puck.nether.net
> Subject: RE: [cisco-voip] Inbound and outbound calls
> sometime fail
>
>
>
> What does it say on the ISDN Q931 debug?
>
>
>
>
>
>
> _____
>
>
> From: cisco-voip-bounces at puck.nether.net
> [mailto:cisco-voip-bounces at puck.nether.net] On
> Behalf Of Ruttman, Peter G.
> Sent: Tuesday, November 22, 2005 3:23 PM
> To: cisco-voip at puck.nether.net
> Subject: [cisco-voip] Inbound and outbound calls
> sometime fail
>
>
>
> I installed a new office a few weeks ago and I am
> getting occasional reports
> of failed inbound and outbound calls. On the
> inbound calls the ip phones
> ring once and then get a busy tone. On the router I
> see this message appear
> within a few seconds:
>
> No dsps found either locally or globally!
>
> I have maxed out the sessions for conferencing on
> the router. Could that be
> the problem?
>
> Pete Ruttman
>
>
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