[CentOS] ASTERISK BOX behind a filewall

Feizhou feizhou at graffiti.net
Thu Sep 13 02:30:41 UTC 2007

>>>>> I know of an H.323 filter, but haven't explored SIP as we aren't
>>>>> running any SIP application here yet.
>>>>> Another possibility would be a SIP proxy installed on the
>>>>> firewall, but it is not as secure as a filter.
>>>> asterisk IS a sip proxy.
>>> Yes, well what I was hinting at was a dumbed-down install of
>>> asterisk installed ON the firewall that would be responsible
>>> for handing off calls coming in to and out of the network
>>> from/to another larger asterisk system.
>> You still have to setup the sip configuration to handle that. 
>> Not much 
>> dumb downing on that aspect.
> Well yes it's going to need some config, it won't need to know the
> full config because it is just going to do a full hand-off to the
> internal asterisk server for DID (does sip use DIDs?) routing.

It still needs a full SIP config. Just not the other stuff like voice 
menus, voicemail or what not.

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