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VOIP over site to site VPN

Im having the no audio issue with a Shoretel IP phone.  The server is located in head office behind a 210 and the phone is remote behind an 85w.  They are connected via ipsec site to site VPN.  Everything is good with the VPN.  The phone will connect and get dial tone just fine but no audio on a call.  I cant find anything in the firewall logs being blocked for the phone.  IPS isn't even applied to the firewall rules

 

Where else to look? 



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  • I have a similar setup in terms of equipment, with an XG210 at head office and a RED15 at a remote site, and a Shoretel 420 phone at the remote site.  It works very well over the RED tunnel, not sure how it would work with IPSec, but if you can, try using a RED site to site tunnel and see if it works better.

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  • I have a similar setup in terms of equipment, with an XG210 at head office and a RED15 at a remote site, and a Shoretel 420 phone at the remote site.  It works very well over the RED tunnel, not sure how it would work with IPSec, but if you can, try using a RED site to site tunnel and see if it works better.

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