[cisco-voip] ISDN Q931 - Quality of Service not available ?

Ryan Ratliff rratliff at cisco.com
Tue Feb 22 10:26:13 EST 2011


Did you look at CCM traces to see why the server is rejecting the call?

-Ryan

On Feb 22, 2011, at 5:40 AM, Erich Novak wrote:

Hi,

Yes the phone I'm trying to reach is dn 64 .

If I change the gateway from h323 to a SiP Trunk with the same Inbound CSS it works like a charm!

Right now it is running via SIP, just wanted to know why it is not working via H323

Brgds
Erich

Von meinem iPhone gesendet

Am 22.02.2011 um 08:09 schrieb "Dana Tong" <Dana.Tong at ivision.com.au>:

> Perhaps also the inbound CSS on the H323 gateway.
> 
>  
> 
> Plus the Called Party number is "64". Kind of odd, but do you an a DN equal to 64 that exists in a partition reachable by the inbound CSS of the gateway?
> 
>  
> 
>  
> 
> Cause i = 0x80B1
> 
>  
> 
> The origination code of 80 means that the gateway is rejecting the call. I suspect it is trying to hit the CUCM and CUCM is rejecting it because of the point above and not able to route to "64".
> 
>  
> 
> Cheers
> 
> Dana
> 
>  
> 
>  
> 
> -----Original Message-----
> From: cisco-voip-bounces at puck.nether.net [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Wes Sisk
> Sent: Friday, 18 February 2011 9:23 AM
> To: Erich Novak
> Cc: cisco-voip at puck.nether.net
> Subject: Re: [cisco-voip] ISDN Q931 - Quality of Service not available ?
> 
>  
> 
> "Cause 49 / Code B1: Quality of Service not available"
> 
>  
> 
> you may be running into a bit of interesting translation here.  CM can return code 49 for codec mismatch or transcoder allocation failure.
> 
>  
> 
> alternatively it looks like this is the code that is used when RSVP reservation is required but fails.
> 
>  
> 
> Regards,
> 
> Wes
> 
>  
> 
> On 2/17/2011 2:34 PM, Erich Novak wrote:
> 
> > Hi Group,
> 
> > 
> 
> > had anyone ever had that problem, its a standard H.323 Gateway, correct dial-peers are matched, no config difference to any other gateway that is working.
> 
> > 
> 
> > Feb 17 16:22:28.884: ISDN Se0/2/0:15 Q931: RX<- SETUP pd = 8  callref = 0x023C
> 
> >             Bearer Capability i = 0x8090A3
> 
> >                             Standard = CCITT
> 
> >                             Transfer Capability = Speech
> 
> >                             Transfer Mode = Circuit
> 
> >                             Transfer Rate = 64 kbit/s
> 
> >             Channel ID i = 0xA98381
> 
> >                             Exclusive, Channel 1
> 
> >             Calling Party Number i = 0x1183, '43xxxxxxxx'
> 
> >                             Plan:ISDN, Type:International
> 
> >             Called Party Number i = 0x81, '64'
> 
> >                             Plan:ISDN, Type:Unknown
> 
> >             Sending Complete
> 
> > Feb 17 16:22:28.884: ISDN Se0/2/0:15 Q931: Received SETUP  callref =
> 
> > 0x823C callID = 0x00C5 switch = primary-net5 interface = User Feb 17 16:22:28.904: ISDN Se0/2/0:15 Q931: TX ->  CALL_PROC pd = 8  callref = 0x823C
> 
> >             Channel ID i = 0xA98381
> 
> >                             Exclusive, Channel 1
> 
> > Feb 17 16:22:28.912: ISDN Se0/2/0:15 Q931: TX ->  DISCONNECT pd = 8  callref = 0x823C
> 
> >             Cause i = 0x80B1 - Quality Of Service not available Feb 17
> 
> > 16:22:29.028: ISDN Se0/2/0:15 Q931: RX<- RELEASE pd = 8  callref =
> 
> > 0x023C Feb 17 16:22:29.032: ISDN Se0/2/0:15 Q931: TX ->  RELEASE_COMP
> 
> > pd = 8  callref = 0x823C
> 
> > _______________________________________________
> 
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> 
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> 
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