AW: [cisco-voip] No Busy tone

Mon Sep 12 16:56:19 EDT 2005

Ok, thanks for the clarification.
I will have to check the CCM we originally opened the case for. If the param is set to false, I'm rather surprised TAC didn't point us there. 

What would be a reason to set the enterprise param specifically to false? Are there any negative consequences?

Best regards
bernhard
P.S.: Wes, you rule :-)
-----Ursprüngliche Nachricht-----
Von: Wes Sisk [mailto:wsisk at cisco.com] 
Gesendet: Montag, 12. September 2005 22:48
An: Bernhard Albler; cisco-voip at puck.nether.net
Cc: Nick Kassel
Betreff: RE: [cisco-voip] No Busy tone

This command:

voice call convert-discpi-to-prog

instructs IOS to convert a Disconnect message with progress indicator IE to
a Progress message with progress indicator IE.

In Nick's case this message:
*Sep 17 12:49:17.964: ISDN Se1/0:15 Q931: RX <- DISCONNECT pd = 8  callref =
0x8BA0
        Cause i = 0x8A91 - User busy
        Progress Ind i = 0x8288 - In-band info or appropriate now available

Would be reformatted before being extended back to callmanager over h323

Carrier---(Q.931)---Router--(H.323)---CallManager
->Disconnect                 ->Progress

This is an 'interesting' message translation that avoids using the CM
service parameter
"Retain Media on Disconnect with PI for Active Call"

Where the idea is that a Disconnect message is received with a progress
indicator.  Usually Disconnect means to immediately disconnect the call, but
the progress indicator means the PSTN or remote switch has some inband
information it would like to pass back to the calling party.

/Wes

-----Original Message-----
From: Bernhard Albler [mailto:balbler at nts.at]
Sent: Monday, September 12, 2005 12:46 PM
To: cisco-voip at puck.nether.net
Cc: Nick Kassel; Wes Sisk
Subject: AW: [cisco-voip] No Busy tone

Ok, nice to hear J
Wes, can you actually give more insight regarding this?  As far as I
understand it, this is really only a workaround.These were the bug ids given
to me by TAC:

CSCsb18809
And
CSCsb18809

SR was 601452939

Best regards
bernhard

Von: Nick Kassel [mailto:Nick.Kassel at Charles-Stanley.co.uk]
Gesendet: Montag, 12. September 2005 18:32
An: Bernhard Albler
Cc: cisco-voip at puck.nether.net
Betreff: RE: [cisco-voip] No Busy tone

Hi Bernard

Sorry yes, I added your command and it worked perfectly.

Thanks again

Nick

From: Bernhard Albler [mailto:balbler at nts.at]
Sent: Monday, September 12, 2005 5:07 PM
To: Nick Kassel
Subject: AW: [cisco-voip] No Busy tone

Nick,
just a quick question, since there was no followup.
Have you tried the command below?
We had the exact same problem and it was traced to a bug by tac. The command
however fixed it.

Von: cisco-voip-bounces at puck.nether.net
[mailto:cisco-voip-bounces at puck.nether.net] Im Auftrag von Bernhard Albler
Gesendet: Montag, 12. September 2005 14:51
An: Nick Kassel
Cc: cisco-voip at puck.nether.net
Betreff: AW: [cisco-voip] No Busy tone

Hi,

We experienced stuff like this recently.
Put the following into the gateway config:

voice call convert-discpi-to-prog

that should at least work around the problems.

regards
bernhard

Von: cisco-voip-bounces at puck.nether.net
[mailto:cisco-voip-bounces at puck.nether.net] Im Auftrag von Wes Sisk
Gesendet: Montag, 12. September 2005 14:46
An: Nick Kassel; cisco-voip at puck.nether.net
Betreff: RE: [cisco-voip] No Busy tone

Is the called number onnet or offnet?
Can you send a debug isdn q931 from the gateway?  CM needs to receive a
disconnect message with a progress indicator Information Element to know to
cut through audio and receive the busy tone from the destination.

/Wes
-----Original Message-----
From: cisco-voip-bounces at puck.nether.net
[mailto:cisco-voip-bounces at puck.nether.net]On Behalf Of Nick Kassel
Sent: Monday, September 12, 2005 8:39 AM
To: cisco-voip at puck.nether.net
Subject: [cisco-voip] No Busy tone
I have an issue with one of my remote sites where they are not getting a
busy tone when they dial a number that is engaged, instead of saying Busy
the phone display says Call Proceed and it goes silent.

Not quite sure how long this has not been working for, can anyone help with
this we are running 4.1(3) with H323 gateways.

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