Windows Thread, SIP ISA config in Technical; We are using sip phones in school but having trouble with the isa configuration to allow sip. Does anyone have ...
27th November 2008, 12:51 PM #1
SIP ISA config
We are using sip phones in school but having trouble with the isa configuration to allow sip. Does anyone have any answers??
27th November 2008, 01:14 PM #2
Your're a bit out of luck with 2004 and 2006 because they don't fully support SIP which is a pain. However there are add-on that will do the jobs this is one of them:
Originally Posted by layercake426
Collective Software | LCS-Bridge
27th November 2008, 01:42 PM #3
Erm, our ISA 2006 ox allows our SIP trunking to other offices, no worries.
What phone hardware/setup are you using?
27th November 2008, 01:58 PM #4
SIP is just another internet protocol, so it should work just fine with port forwarding on port 5060.
27th November 2008, 03:11 PM #5
Which ports did you open for SIP communications or its it a all open rule from source to destination?
Originally Posted by Domino
Last edited by spc-rocket; 27th November 2008 at 03:17 PM.
27th November 2008, 03:13 PM #6
Asterisk firewall rules - voip-info.org
That lists the ports for SIP, IAX and RTP (and MGCP, if you use that).
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