asterisk users - Oct 2009 - One side SIP goes dead on length conversation

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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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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