[cisco-voip] Call Back

Nick Kassel Nick.Kassel at Charles-Stanley.co.uk
Tue May 2 05:24:05 EDT 2006


Wes
 
I have tested this and it works fine anything after 20 seconds, sounds
like the facility IE is causing the problem. I have not logged a TAC
case yet, should I still log one?
 
Regards
 
Nick 

________________________________

From: Wes Sisk [mailto:wsisk at cisco.com] 
Sent: Monday, May 01, 2006 6:57 PM
To: Nick Kassel
Subject: Re: [cisco-voip] Call Back


Nick,

After the callback message appears wait 38 seconds the press the dial
key.  That should timeout the callback and CM will send SETUP without
the extra facilityIE.  This will confirm if it is the facilityIE causing
the problem.

Did you open a TAC SR for this?

/Wes

Nick Kassel wrote: 

	I have tried this again and if I select the primary line of the
phone and dial the number then it will not go through either, the same
issue occurs, however if I try it and select a shared line on the phone
then dial the number it works ok.

	 

	We do not have these calls routing through a translation
pattern.

	 

	 

	 

	
________________________________


	From: Wes Sisk [mailto:wsisk at cisco.com] 
	Sent: Friday, April 28, 2006 2:55 PM
	To: Nick Kassel
	Subject: Re: [cisco-voip] Call Back

	 

	I suspect your pbx may not like the extra facilityIE we send
when we attempt the callback.
	can you test once more, and when you get the callback
notification press a line button on the right side of the phone to go
offhook and attempt to dial 3432 directly? does that call go through?
At this point will need to open a TAC case to pursue further.
	
	let's eliminate a few other things just to make sure:
	does your initial call route through a translation pattern?
	
	/Wes
	
	Nick Kassel wrote: 

	Hi Wes

	 

	I have tried this again and it just does not seem to go
anywhere, after I hit dial the phone says Call Proceed and the dialled
number just sits on the display, I do not get any ring tone from the
other end or hear any tone from the calling phone.

	 

	I'm a bit stuck as what to do.

	 

	 

	 

	
________________________________


	From: Wes Sisk [mailto:wsisk at cisco.com] 
	Sent: Thursday, April 27, 2006 6:27 PM
	To: Nick Kassel
	Cc: cisco-voip at puck.nether.net
	Subject: Re: [cisco-voip] Call Back

	 

	nope. that's not the problem.
	
	CM does present the call to the Mitel, only with 1 extra
FacilityIE this time.
	
	Original call:
	Outbound PRI SETUP message to 172.30.0.10 at timestamp
04/27/2006 10:31:21.130
	SETUP, pd = 8, callref = 0x125A, Message Size = 63 bytes
	Sending Complete
	Bearer Capability i = 0x8090A3, ITU-T standard, Speech, Circuit
mode, 64k, A-law
	Channel ID i = 0xA98398 - PRI interface, Exclusive channel 24
	Facility i =
0x9FAA06800100820100A113020101020100800B4E69636B204B617373656C, Facility
code not parsed 
	Calling Party Number i = '6515' - Plan: Unknown, Type: Unknown,
Presentation Allowed, User-provided, verified and passed
	Called Party Number i = '3432' - Plan: Unknown, Type: Unknown
	
	CallBack notification to the Mitel:
	Outbound PRI SETUP message to 172.30.0.10 at timestamp
04/27/2006 10:31:25.115
	SETUP, pd = 8, callref = 0x125C, Message Size = 76 bytes
	Sending Complete
	Bearer Capability i = 0xA880, ISO/IEC standard, UDI, Circuit
mode, Packet mode rate
	Channel ID i = 0xAC - PRI interface, Exclusive channel 0
	Facility i =
0x9FAA06800100820100A123020149020128301BA0068004363531358004333433324005
04038090A38C01008D01FF, Facility code not parsed 
	Calling Party Number i = '6515' - Plan: Unknown, Type: Unknown,
Presentation Allowed, User-provided, verified and passed
	Called Party Number i = '3432' - Plan: Unknown, Type: Unknown
	
	Outbound call to the mitel after you press dial:
	Outbound PRI SETUP message to 172.30.0.10 at timestamp
04/27/2006 10:31:52.521
	SETUP, pd = 8, callref = 0x125D, Message Size = 84 bytes
	Sending Complete
	Bearer Capability i = 0x8090A3, ITU-T standard, Speech, Circuit
mode, 64k, A-law
	Channel ID i = 0xA98397 - PRI interface, Exclusive channel 23
	Facility i =
0x9FAA06800100820100A113020101020100800B4E69636B204B617373656C, Facility
code not parsed 
	Facility i = 0x9FAA06800100820100A10802014A02011F0500, Facility
code not parsed 
	Calling Party Number i = '6515' - Plan: Unknown, Type: Unknown,
Presentation Allowed, User-provided, verified and passed
	Called Party Number i = '3432' - Plan: Unknown, Type: Unknown
	
	Note the extra FacilityIE this time. However the Mitel responds
as if it is processing the call:
	Inbound PRI CALL_PROC message from 172.30.0.10 at timestamp
04/27/2006 10:31:52.631
	CALL_PROC, pd = 8, callref = 0x925D, Message Size = 10 bytes
	Channel ID i = 0xA98397 - PRI interface, Exclusive channel 23
	
	Mitel acknowledges the call and requests to cut through audio.
Possibly for ringback tone?
	Inbound PRI PROGRESS message from 172.30.0.10 at timestamp
04/27/2006 10:31:53.162
	PROGRESS, pd = 8, callref = 0x925D, Message Size = 9 bytes
	Progress Indicator i = 0x8188 - In-band info or appropriate now
available 
	
	Call rang for 10 seconds before you disconnected it.  Are you
sure nothing appeared on the PBX phone?
	Outbound PRI DISCONNECT message to 172.30.0.10 at timestamp
04/27/2006 10:32:03.709
	DISCONNECT, pd = 8, callref = 0x125D, Message Size = 9 bytes
	Cause i = 0x8090 - Normal call clearing 
	
	/Wes
	
	Wes Sisk wrote: 

	Thanks Nick.
	
	Please open a TAC case and attach the CCM trace and the
corresponding SDL trace from trace\sdl\ccm.  I don't believe this should
happen:
	10:31:25.099 CCM|CallBackManager - ERROR Can't Route ss =
0x500527b, ssOtherParty = 0x500527c|
	
	/Wes
	
	Nick Kassel wrote: 

	Wes

	

	Sorry forgot to mention, I was calling from 6515 to 3432
(Ericsson MD110 DN), I set Call Back, when 3432 was available I received
the notification on the phone and pressed dial and the number dialled
but did not go anywhere is just sort of hung. I then hung up.

	

	Nick  

	

	-----Original Message-----
	From: Wes Sisk [mailto:wsisk at cisco.com] 
	Sent: 27 April 2006 15:09
	To: Nick Kassel
	Cc: cisco-voip at puck.nether.net
	Subject: Re: [cisco-voip] Call Back

	

	There are multiple setups in this trace. What is the
calling/called party number for your specific call?
	
	/Wes
	
	Nick Kassel wrote: 

	Hi Wes, I'm un sure about analysing the trace, could you
possibly take a look and see if you can make out what is happening for
me.

	

	Regards

	

	Nick 

	

	
________________________________


	From: Wes Sisk [mailto:wsisk at cisco.com] 
	Sent: Wednesday, April 26, 2006 4:03 PM
	To: Nick Kassel
	Cc: cisco-voip at puck.nether.net
	Subject: Re: [cisco-voip] Call Back

	

	check get the 'debug isdn q931' from the gateway or check the CM
traces to see what goes south with the signaling during call setup.
	
	/Wes
	
	Nick Kassel wrote: 

	We currently have our CCM cluster linked to an Ericsson MD110
PBX via Qsig. I have added the Call Back softkey to my phone and if I
place a call to a phone on the Ericsson and then activate Call Back, I
receive the information that the DN on the Ericsson is now available but
when I hit the dial key, the call will not connect, it dials the number
but does not go through and it says on the display Call Proceed and sits
there.

	

	Any one come across any issues like this before?

	

	

	

	  

	


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Registered in England No. 1903304

Charles Stanley Sutherlands and Tozer Wingate are divisions of Charles
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