[Asterisk-Users] No incoming audio on incoming SIP calls

Thu Aug 5 08:07:01 MST 2004

Hi Thomas,

I have configured asterisk to interact with my PSTN (UK BT Line) using a
x100p zaptel card.  I can make calls outbound using 9 as a prefix, I can
receive calls inbound over the PSTN and I can of course make calls between
the 2 zyxel 2000w's using the extension 2001 and 2002.  When I get calls
inbound I have set it up to ring both extensions and the first one to pick
up gets it.  

My issue is that I cannot transfer calls from the PSTN, once inside the
asterisk, between the extensions.  Say for example I get in incoming call
through my bt line, and the person at the 2001 extension receives the call.
Now say I want to transfer that call to the 2002 extension.  How to I do
that?

I have tried using the # key and I don’t get the transfer prompt as
reported.  I have also tried twister's ## transfer patch (bugs.digium.com,
patch number 2010) and that also does nothing when you try using the # key.

I have set the phone up on the web front end to use inband(rfc2833) DTMF
relay and the payload is set to 0 on both phones, I have then set the
sip.conf to match with dtmfmode=rfc2833.  This was done after looking at
someone else's sip config for this phone.

I have set up my features.conf to look like this:

	asterisk:/etc/asterisk# cat features.conf
	[general]

	[parking]
	parkext => 7001
	parkpos => 7002-7009  
	context => parkedcalls
	parkingtime => 60

	[transfer]
	;hangup=*
	transfer=##
	digittimeout=3000
	transferdigittimeout => 3

And my dialstrings look like this:

;Internal lines
exten => 2001,1,Dial(SIP/2001,20,tr)

;outgoing calls
exten => _9XXXXXX.,1,Dial(Zap/1/WW${EXTEN:1},60,Tr)

If you have any advice as to what I am missing then please feel free to
comment.

Regards
jd
-----Original Message-----
From: asterisk-users-admin at lists.digium.com
[mailto:asterisk-users-admin at lists.digium.com] On Behalf Of Thomas Kuepper
Sent: 05 August 2004 14:45
To: asterisk-users at lists.digium.com
Subject: Re: [Asterisk-Users] No incoming audio on incoming SIP calls

Hi,

i am usind zyxel phone too, whats exactly your problem?

Am 05.08.2004 um 15:23 schrieb John Howard:

> Thanks a lot for that Tobias...guess im just playing a waiting game now
> then!
>
> I am of course aware about the difference in the t and T options, at  
> least I
> am now anyways!
>
> Other than this my test bed seems pretty stable now so if anyone needs  
> any
> other assistance/advice with this sort of set up I'm here to help.
>
> Regards,
>
> jd
>
> -----Original Message-----
> From: asterisk-users-admin at lists.digium.com
> [mailto:asterisk-users-admin at lists.digium.com] On Behalf Of Tobias  
> Jönsson
> Sent: 05 August 2004 10:11
> To: asterisk-users at lists.digium.com
> Subject: Re: [Asterisk-Users] No incoming audio on incoming SIP calls
>
> On Thu, 5 Aug 2004, John Howard wrote:
>
>> Can anyone suggest anything as to why I still can't get call
>> transferring working with the Zyxel 2000w wireless phones?
>
> Unfortunately not, but take a look into the ZyXEL 2000W threads in this
> forum, for example
> <http://lists.digium.com/pipermail/asterisk-users/2004-July/ 
> 055598.html>
> and
> <http://lists.digium.com/pipermail/asterisk-users/2004-June/ 
> 051930.html>.
>
> BTW, watch out for the difference between t and T options.
>
> Regards,
> Tobias Jönsson, Lund, Sweden
>
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--
Thomas Küpper

01063 Telecom GmbH & Co. KG
Mottmannstr. 2
53842 Troisdorf

Telefon: 02241-9434-506
Telefax: 02241-9434-846

E-Mail: thomas.kuepper at 01063telecom.de
E-Mail: tk at teldafax.de
Homepage: http://www.01063telecom.de

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