Hello All,
I am hoping to get a bit of help here. I am looking after the IT for 4 sites that have a VPN linking all sites and each site has an XN120 phone system. The phone system at each site use ISDN for outgoing calls, but had been set up to use VoIP for site to site calls over the VPN...
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.