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, 01:51 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??
IDG Tech News
27th November 2008, 02:14 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, 02:42 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, 02:58 PM #4
SIP is just another internet protocol, so it should work just fine with port forwarding on port 5060.
27th November 2008, 04:11 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 04:17 PM.
27th November 2008, 04:13 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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