Hello, I have a site to site (A & B) VPN (Cyberoam routers at each site) 3CX PBX located at Site A. Site A has a separate VDSL line on a Draytek router which the SIP is using (on same subnet as Cyberoam). I was thinking that maybe because each site can see each others subnet (ie: I can access MS servers to/from each site) that the phone provisioning (Yealink T42G) at the remote Site B would work in the same way as it did on the LAN at Site A... not the case. Do I need to introduce a static route on site B's cyberoam to point directly to 3CX? I'm at a bit of a loss here. Any advice greatly appreciated. Thanks.