Hello,We have two sites each with a UC520 – HQ and Branch. Can they be set up so the HQ has SIP to our Telco provider for PSTN access and the branch uses the SIP connection from the HQ over IPSec?Also our CEO needs a phone at the branch with his HQ e...

Hello, I have two sites each with a T1 line, 1721 router, and a uc520. Each location has 8 users. We can extension dial each location via what I assume is a VPN Tunnel.My boss would like 7940 phone at home.Is this possible?Would we need another 1721 ...