[asterisk-users] One side SIP goes dead on length conversation

[Steven Stromer]

I'm under the impression that this sometimes happens when a firewall  
decides that the port you've opened no longer needs to be so. Are you  
using sip_nat? Do you have a firewall between the asterisk host and  
public? How are your VoIP related firewall rules configured?



> Has anyone seen something like this before. Randomly, on longish  
> calls, the local side of the call audio goes dead. Meaning remote  
> caller can hear us but we cannot hear the remote person?
>
> Linux voip 2.6.18-128.1.6.el5 #1 SMP Wed Apr 1 09:10:25 EDT 2009  
> x86_64 x86_64 x86_64 GNU/Linux
>
> Asterisk 1.4.24.1, Copyright (C) 1999 - 2008 Digium, Inc. and others.
>
> WANPIPE Release: 3.4.1
>
> Wanpipe Config:
>
> Device name | Protocol Map | Adapter  | IRQ | Slot/IO | If's | CLK |  
> Baud rate |
>
> wanpipe1    | N/A          | A101/1D/A102/2D/4/4D/8| 169 | 4       |  
> 1    | N/A | 0         |
>
> Wanrouter Status:
>
> Device name | Protocol | Station | Status        |
>
> wanpipe1    | AFT TE1  | N/A     | Connected     |
>
>
>
> Local sets are all Aastra 9143’s.
>
> - dbc.
>
>
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