Useful Information

Interop Information

• Can i call international numbers
• Can i call UK premium rate numbers
• Can I call the new non-emergency numbers 101 and 111?
• Firewall Rules to Allow for I.T Communications VoIP Accounts

Soft-Switch Hosted PBX

• Yealink BLF Key Setup Guide
• How to do Phone Provisioning

3CX Phone System

• Upgrading 3CX to V16 – Please Read
• Setup SIP Trunk on 3CX Phone System
• Can incoming calls be diverted if we have a power cut.
• How to make a Ring Group signal extensions that are already busy with another call
• Patton Smartnode Not playing busy promt on outbound busy calls (ISDN)
• How to Setup Draytek Router with 3CX Setup

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