I am desperately looking for an answer for this...Any help is most
appreciated...
We are trying to put together a remote office office solution with SIPX located
at a main location and SIP clients located at the remote locations.
Each remote location is going to have an Audiocodes Mediant 1K and we will be
using SAS feature to register the phones to SIPX through Audiocodes. Audiocodes
is supposed to kick in when we lose the IP connection between SIPX and the
remote location..
We put together this small lab where everything is connected to a single layer3
switch.
We have VLAN-X and VLAN-Y
VLAN-X has only the SIPX (FQDN: sipx.lab.com) connected to it.
VLAN-Y has the SIP clients and Audicodes Mediant 1000 connected to it...
I am trying to understand how this SAS works...Here is my questions:
1) How are the phones supposed to be configured to work with SAS. Everybody
talks about setting outbound proxy on the phone to be Audiocodes but what about
the registrar setting on the phone? Is the phone supposed to point to the IP of
audiocodes on port 5080 as well for registrations?
2) Audicodes guys told me that when I set the phones up like the way I
mentioned above, they are supposed to show up in SIPX's registration page as
"extension num...@ip of the audiocodes". That is not the case with mine. They
keep showing up with their own IP addresses. Like "extension num...@local IP
address of the phone". Is this behaviour adjustable? Is it something taht needs
to be configured on SIPX or audiocodes (audiocodes works as a B2BUA for SAS
function).
3) When I configure SAS and enable registration under "registration&proxy" menu
of the Audiocodes and point everything to SIPX on Audiocodes, the following
happens:
Phones first come to audiocodes with their registration and INV
messages. Audiocodes relays them back to the IP of SIPX server. My SIPX server
is configured to be responsible for "lab.com". When audiocodes try to register
the SIP clients to SIPX, it uses its IP address as the domain..Like
sip:10.1.1.1 (10.1.1.1 being the IP of audiocodes) Any SIPX rejects those
registration requests due to 407 authentication packets and plus it complains
it can not find any bindings...
My question is how I can fix this...Do I add the IP address of the Audiocodes
under the list domains in SIPX...Because I have only lab.com configured in that
list right now...
Most of the instruction out there says enable SAS and point it to a proxy set
(which is the SIPX) and you are done but it has not been that easy for me...
I am using SIPX 4 and Audiocodes v5.6...
If anyone has managed to implement SAS this way, please drop me a
line....Thanks for any help in advance...
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