[asterisk-users] odd issue with the with SIP over VPN

[Andrew Hakman]

You probably are not advertising the routes across the vpn properly.

Does your setup look like this

asterisk----[network a]----openVPN server----[network b -
vpn]-----openVPN client----[network c]-----sip client

where network a, b, and c are all separate subnets?

Is your vpn setup for routing or bridging?

you need to make sure that the vpn server allows network a to to talk
to network c, and that network c can talk to network a. By default,
only the client can talk to the server. Attached subnets will not be
routed automatically.

See this section of the openVPN howto:
http://openvpn.net/index.php/open-source/documentation/howto.html#scope

I have 3 asterisk servers with sip trunking between them all running
over openVPN links, and everything works fine when you make sure  you
setup the routing right in the vpn. I also have 2 phones that connect
to one of the servers over a openVPN link as well - they're not sip
(Nortel unistim) but it also works just fine.

Andrew

On Sat, Jan 23, 2010 at 7:17 PM, Alex Balashov
<abalashov at evaristesys.com> wrote:
> You're going to be a lot more specific about the precise - if
> symptomatic - meaning of "do not."
>
> On 01/23/2010 09:08 PM, Zane C.B. wrote:
>
>> I've run into a odd issue where inbound calls to the SIP client work
>> fine, but outbound from the SIP client do not.
>>
>> The path between the client and the server is as below.
>>
>> N900 SIP client<-- OpenVPN -->  Asterisk
>>
>> The version of Asterisk in question is 1.6.0.18.
>>
>> Any suggestions?
>>
>
>
> --
> Alex Balashov - Principal
> Evariste Systems LLC
>
> Tel    : +1 678-954-0670
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