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Etherspeak SIP trunks

Aug 22, 2010 08:29 PM PDT
Doug Spooner
Evolve Technologies
We have added Etherspeak at our HQ site and all local HQ users can use them. We have 2 remote offices...site A with a SG-40 and site B with no SG. When site A user makes a call through VPN tunnel to HQ and while connected to 'local' SG switch the call works fine. When site B user, without SG switch, tried to make, the call fails when the far end answers. We can duplicate the problem with site A user is moved to an HQ switch in software not the local SG switch...user cannot complete call...call is dropped when far end answers.
Aug 24, 2010 06:06 PM PDT
Michael Hirota
Evolve Technologies
Has anyone used etherspeak with the 'site B' topology? That is, the remote office is in the HQ ShoreTel site, and only hosts ShoreTel phones, not any ShoreGear switches, and the aim is to allow the remote office phone to use etherspeak trunks via a ShoreGear at the HQ site.

Thanks.
Oct 27, 2010 06:13 PM PDT
Michael Hirota
Evolve Technologies
I should have followed up: for future reference the 'Site B' topology worked for us. We found the issue was that we had overlooked that the remote site had an ALG for MGCP enabled on the Juniper (ScreenOS-based) firewall. That made a difference when the phone was registered with a ShoreGear switch on the other side of the site-site VPN.

I have not tried parking a call when the call is answered by a workgroup.

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