[asterisk-users] SIP source address error

[Matt Riddell]

On 12/11/09 9:04 AM, Jaap Winius wrote:
> Hi all,
>
> My Asterisk problem today involves getting a SIP client on a private
> net to register with a server somewhere else on the Internet. This
> worked for me about a year ago no problem, but now I see an error
> message on the remote server every time the client attempts to connect
> (the server is running Debian lenny with Asterisk 1:1.4.21.2~dfsg-3).
> Here's an example:
>
> [Nov 11 14:29:47] WARNING[6365]: chan_sip.c:1787 __sip_xmit: sip_xmit
> of 0xb63d5694 (len 444) to 192.168.8.30:5060 returned -1: Operation
> not permitted
>
> "192.168.8.30"? At first I thought maybe the local NAT (iptables SNAT)
> wasn't doing its job properly, but it seems fine for the rest. Also,
> the same client, going through the same NAT, has no problem connecting
> to my ISP's SIP server. Then I thought it might be the SIP client (a
> Siemens Gigaset S675IP phone), but I get exactly the same problem when
> using an old analog phone with a Linksys SPA-3000 instead.
>
> Has anyone encountered this problem before? If so, what caused it and
> what solved it?

Are you binding to an address that the box doesn't own?

Check the top of sip.conf.

-- 
Cheers,

Matt Riddell
Director
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