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[jwinius at umrk.to]

Hi list,

Before purchasing a number of Siemens DECT SIP phones, the Gigaset
S675 IP, I read that the problems with MWI had been fixed with the
latest firmware version (see
http://www.voip-info.org/wiki/view/Siemens+Gigaset+S675IP). Now I'm
not so sure that's the case.

After setting up a network mailbox for one of these phones, as well as
an Asterisk voicemail account (ext. 1000) in voicemail.conf's default
context, I added the following line to my phone's context in sip.conf:

mailbox=1000

However, soon after executing a 'sip reload' on the console, the
following error message will appear every three minutes:

[Feb 13 19:18:22] WARNING[14171]: chan_sip.c:12621 handle_response:
Remote host can't match request NOTIFY to call
'1742fb0c598dc6ec444a5ea64a2103ae at 192.168.10.10'. Giving up.

The IP address belongs to my server. At the same time, I used tcpdump
to see what else might be going on. I found the following:

19:18:22.540113 IP bitis.umrk.to.sip > gigaset.umrk.to.sip: SIP, length: 545
E..=.... at ......
.........)..NOTIFY sip:1000 at 192.168.10.5:5060 SIP/2.0
Via: SIP/2.0
19:18:22.571452 IP gigaset.umrk.to.sip > bitis.umrk.to.sip: SIP, length: 308
E..P.......f.......
.....<a_SIP/2.0 481 Call Leg/Transaction Does Not Exist
Via:

The latest comment on the voip-info.org page above outlines the same
problem. Can anyone here confirm that this is indeed a Siemens
problem, or might it be an Asterisk problem after all?

I'm running Asterisk v1.4.14 on a Debian etch server.

Thanks,

Jaap

[hdevito at mchsi.com]

Try adding mailbox=1000 at default (or what ever your voicemail contexxt is)

I've had to add the voicemail context to get MWI to work correctly in the
past.
----- Original Message -----
From: "Jaap Winius" <jwinius at umrk.to>
To: <asterisk-users at lists.digium.com>
Sent: Wednesday, February 13, 2008 12:45 PM
Subject: [asterisk-users] MWI problem with Siemens Gigaset S675 IP

[jwinius at umrk.to]

Quoting Henry Devito <hdevito at mchsi.com>:

[steve.langstaff at cit...]

The "481 Call Leg/Transaction Does Not Exist" response to the
NOTIFY makes me think that you might need to configure the
phone to SUBSCRIBE to MWI - do you see any SUBSCRIBE messages
from the phone when it is booted?

[jwinius at umrk.to]

Quoting Steve Langstaff <steve.langstaff at citel.com>: