We've quickly covered just a few of the many ways to integrate 3CX with other systems. As 3CX uses standard protocols, there are all kinds of ways you can integrate it with other systems. I'll list a few tutorials on the Web that can assist you in integrating with systems that we haven't covered here:
Exchange 2007 Unified messaging:
http://wiki.3cx.com/documentation/general/exchange-server-2007
Connect 3CX directly to other SIP servers:
http://wiki.3cx.com/documentation/general/sip-dns-configuration
3CX and Skype:
http://wi ki.3cx.com/gateway-configuration/vendor-supported/ skype-to-3cx-part2