Thanks Tony. Its possible that the phone stops sending RTP stream (but it
certainly is receiving some!). How do I get Asterisk to stop caring whether
it receives RTP or not?
Yes there is a NAT between the phone the the Internet. The Asterisk server
doesn't have NAT though.
I'll try to find out what I can from my limited RTP expertise. I appreciate
the response and the hints.
Mike
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Tony
Mountifield
Sent: September 7, 2006 12:09 PM
To: asterisk-users@lists.digium.com
Subject: [asterisk-users] Re: Asterisk hangs up after 10-15 minutes when
SIPPhone is on mute
In article <[EMAIL PROTECTED]>,
Mike <[EMAIL PROTECTED]> wrote:
>
> I have a Polycom 501 connected to Asterisk 1.2.4 (and then connected
> to a VOIP provider, Unlimitel in my case). My job requires me to
> attend conference calls regularly, and I am usually there as a silent
listener.
> Therefore, I mute my phone.
>
> I`ve noticed that if I mute my phone, after 10-15 of being muted, the
> line hangs up. I had the same problem with my GXP-2000 before, so I
> dismissed the phone as being the problem. If I unmute regularly (or
> the entire time), the line doesnt hang up (until it reaches max
> timeout of course, which is much more than 15 minutes). So the
> problem is my phone is muted. I have observed that about 6 times (out
> of 6 tries) in the last 4 months. It`s a reccuring issue for sure.
Can you user Ethereal or similar to find out whether the phone stops sending
the RTP stream to Asterisk when it is muted?
Is there any kind of NAT gateway between the phone and Asterisk?
If both of the above are true, it might be possible that the NAT gateway's
session mapping for that stream is timing out.
Or perhaps Asterisk decides to hang up the call if it doesn't get any RTP
for a certain length of time.
Just a couple of ideas to try.
If the phone is still sending RTP when muted, the stream presumably contains
perfect silence. I don't know if that gets detected anywhere.
Cheers
Tony
--
Tony Mountifield
Work: [EMAIL PROTECTED] - http://www.softins.co.uk
Play: [EMAIL PROTECTED] - http://tony.mountifield.org
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