Re: [OpenSIPStack] 491 Request Pending

[Joegen E. B. <joe...@gm...>]

Request Pending Error is normally sent back by a server if it received a 
new INVITE transaction while there is still an existing INVITE 
transaction pending which has not been responded to with a final 
response.   

Whit Thiele wrote:
> Hey Guys,
>
> I've been having some trouble with dialing to Asterisk (v.1.4.9) with my
> ATLSIP Softphone. I am able to dial most of the time with no trouble
> although I am getting "491 Request Pending" messages from the
> ATLSIP_OnOutgoingCallRejected event randomly say 30% of calls launched. 
>
> I've read that asterisk has had some trouble dealing with 491 errors but I
> thought I'd ask the forum:
>
> 1. Has anyone else has had any problems with this?
>
> 2. Anyone know the best way to avoid this from happening. 
>
>
> It's a simple setup with the Softphone and Asterisk on the same local
> network.
>
> ATLSIP --> Asterisk --> PRI --> PSTN
>
>
> Thanks,
>
> Whit
>
>
>
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