As long as you have your Jabber Video users utilize a template that is setup with TURN, anyone either internal or external can use the Expressway for the resource check. Once you configure TURN in the TMSPE template, you can also configure other provisioning options in the template that can use TURN as well, one comes to mind is bandwidth probing, and ICE.
You'll need to add the following SRV record: _turn._udp.<domain> over port 3478, to the domain you configured Jabber Video to use and on your Expressway.
Since our VCS-Expressways are located in our DMZ, there is a FW between the the public Internet and the VCS-E and from our internal Intranet and the VCS-E
I'm I correct in assuming that for EXTENAL clients to use TURN I need:
The public Internet facing FW to allow UDP 4678 inbound to the VCS AND UDP 60000-61200 in both directions to make the BW testing/TURN work... (This should be there already since I have all high numbered UDP ports opens) I do not have the "_turn._udp.<domain>" SRV record setup yet but the docs I read say that it will do a "A Record" lookup if the SRV lookup fails.... I will assume its an A record lookup of the external VCS that is specified in the sign in setttings of the Jabber client. (I also set vcs External to the IP address of the VCS-E)
When I try the Quick Setup... it just says "Estimating"
I also want to update the Config template to see if that fixes it... using a 4.8.6 client and a 4.6 template - Where can I download that 4.8 template?
Here is the Jabber Client log from my last attempt to use TURN BW testing.. (x'd out specific info)
2014-05-19 12:49:12,699 ICE
ICE is ENABLED, TurnServer is 'xxx.xxx.xxx.xxx', TurnAuthUsername is 'turn', TurnAuthPassword is 'XXX', Force Turn Relay is 'OFF'
2014-05-19 12:49:12,704 Signaling
Sending REGISTER for email@example.com to vcs-e.domain.com using transport auto
2014-05-19 12:49:14,412 Bitrate
Network probing started
2014-05-19 12:49:22,924 ICE
TURN allocation FAILED for conn 21534, server: xxx.xxx.xxx.xxx:3478
Pstrick is correct. We provision both TURN and ICE and the b/w resource check works great both for internally and externally registered users.
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