3CX Phone System

3CX Phone System for Windows is a software based PBX for Windows that works with SIP standard based IP Phones, SIP trunks and VoIP Gateways to provide a full PBX solution – without the inflated cost and management headaches of an ‘old style’ PBX. Used by more than 30,000 companies globally, 3CX has been recognized for its innovation and cutting-edge technology. Tech Advantage offers the award-winning 3CX Phone System as a hosted service on our reliable data center infrastructure, valuable service options, and value added services.

Checking Voicemail
There are multiple ways to check voicemail messages without any special programming to your 3CX Phone System. For special requirements or circumstances, ple...
Fri, Nov 13, 2015 at 9:48 AM
Dial Code: Call Pick-up
If you notice a specific extension ringing, and you know that person is not able to take the call, you can take the call using the ‘Call Pickup’ feature. To...
Tue, Oct 17, 2017 at 12:20 AM
Dial Code: Call Parking
If you wish to “park” a call and then pick up the call from another extension, then you can park the call in a ‘Parking orbit’ and then pick up the call...
Sun, Sep 6, 2015 at 4:32 PM
Dial Code: Voicemail
To leave a message in a Voicemail box of a particular Extension: Dial *4{ext} For example, *4100, will leave a voicemail message in the voicemai...
Sun, Sep 6, 2015 at 4:32 PM
Dial Code: Setting Do Not Disturb ON / OFF
To enable / disable DND (Do Not Disturb) for a particular extension: Dial *60 to set the extension to Do Not Disturb: OFF Dial *61 to set the extensio...
Sun, Sep 6, 2015 at 4:33 PM
Dial Code: Intercom
The intercom feature allows you to make an announcement to another extension without requiring the other party to pick up the handset. The message will ...
Sun, Sep 6, 2015 at 4:34 PM
Dial Code: Billing Code
The Billing Code feature’s default value is **. This allows you to add a tag to a call you want to make. For example, whenever you make a call for a p...
Sun, Sep 6, 2015 at 4:35 PM
Dial Code: Code to Control IN/OUT of Office status of PBX - Emergency Code
This dial code (which is unspecified by default for security purposes) is a code that when used, will set the whole 3CX Phone System to either: In o...
Sun, Sep 6, 2015 at 4:36 PM
Dial Code: Mobile Agent Service (V12 or later)
Note: For the Mobile Transfer Service to work, the option “Ring my extension and my mobile at the same time” must be enabled in the extension’s properti...
Sun, Sep 6, 2015 at 4:37 PM
Telephone: Yealink T48G Quick Reference Guide
Refer to the attached PDF document.
Sun, Sep 6, 2015 at 4:48 PM