[asterisk-users] voip provider settings problem, please help

[Dovid B]

----- Original Message ----- 
From: "Jody Gugelhupf" <knueffle at yahoo.com>
To: <asterisk-users at lists.digium.com>
Sent: Monday, August 27, 2007 3:55 PM
Subject: [asterisk-users] voip provider settings problem, please help


> hi ppl, i'm using asterisk 1.2 because i'm making use of voiceone, but 
> before i was using asterisk
> 1.4 and had the same problem, it concerns an italian voip/sip provider 
> called eutelia/skypho, my
> problem is the following one:
> when i start my pbx my skypho account is working fine, meaning that e.g. 
> incoming calls are shown
> in the asterisk CLI and caller and callee can hear each other when picked 
> up, but after a while it
> stops working, incoming calls for this provider are not shown anymore in 
> the CLI, but from other
> providers it always works, but the phone is ringingn nevertheless when 
> calling my skypho
> account...when i then turn off the pbx and restart after sumthing like 2 
> hours my skypho account
> is working fine again, the incmiong calls are shown in the asterisk CLI, 
> but after, i don't know
> let's say an hour or so it again stops working, incoming calls for my 
> skypho account can not be
> seen in the asterisk CLI, then if i turn off the pbx for an hour or so it 
> works again, so i
> thought it must be a setting issue, maybe something with the register? 
> althought it always shows
> it registered when i use 'sip show registry' someone has an idea what i 
> have to set or do to have
> it working permanently? what could be the problem here? i got no clue 
> whatsoever and i have been
> using asterisk only since half a year, please help me, i'm totaly 
> desperate, thx in advance
> jody :)
>

Smell's like a NAT issue. Are you behind NAT ? As some one else mentioned 
try to set qualify=yes as well as register often.