To uninstall any MSI installation that fails to uninstall itself for whatever reason, use the MSI Cleanup Utility: http://download.microsoft.com/download/e/9/d/e9d80355-7ab4-45b8-80e8-983a48d5e1bd/msicuu2.exe This version of Windows Installer CleanUp Utility works correctly in all 32-bit and 64-bit versions of Microsoft Windows. MSI cleanup utility The following will show how [...]
Introduction to the 3CX Media Server The 3CX Phone System’s main job is to connect two (or more) entities together for transmission of audio between them. However, there are three different mechanisms which can be utilized for the delivery of audio streams between two endpoints: Bypass Mode (Direct Mode) Proxy Mode (Pass-Through Mode) Transcoding Mode (Bound to Media Server Mod [...]
Support for SSL / TLS has been introduced in 3CX Phone System version 11 SP3. Ideally you should upgrade to a newer version and configure SSL / TLS from 3CX Management Console > "Settings" > "General" > "Mail Server". The rest of this article describes how to have email generated by 3CX sent using SSL / TLS on older versions. When 3CX PhoneSystem needs to deliver email [...]
When using 3CX with Cassini, you may encounter situations where the Web Interface or the Web Service stops running and you have to restart the 3CX services to get it running again, or where the 3CX Webserver service fails to start. To be able to resolve this issue you need to do the following Go to Start / Run and type %allusersprofile% Locate a folder named "Ultidev", open thi [...]
This information is relevant for installations that that are NOT using the default US prompt set. Customers that do not use the default US prompt set need to take additional steps when performing an upgrade. This is because version 8 has additional features that require additional prompts. After you have performed the restore, you must go to the updates page and download the pr [...]
What is a FoIP FoIP – FAX over IP, is the technology used to allow faxing via the computer network. Because Fax is not ideally suited to travel via a normal phone call, the T38 protocol was developed. A FoIP (FAX) call is very similar to a normal VoIP (voice) call. In essence it is a call that transmits FAX data over an IP network. How the 3CX Phone System FAX Server Service re [...]
Important Note: The following article applies only to 3CX Phone System V14 and below It is possible for a user to make an outbound call via the Voicemail menu. Dial 999 -> Enter PIN -> Press 9 (for options) -> Press 3 (to dial an external number) -> Dial external number. When dialing the outbound number if no digits are entered for more than 1.5 seconds (1500ms) the [...]
Overlap dialing is required by CAS signaled lines. Overlap dial provides for a longer time-out period between digits, also called the inter-digit timer. With overlap dial set to off, the gateway expects to receive the digits one right after the other coming in to this line with very little delay between digits. With overlap dial set to on, then the device waits up to about 2 se [...]
When is a call internal or external? Calls are decided to be either local or external based on whether the contact IP of an inbound SIP packet is local or not. To check whether the IP is local, 3CX Phone System uses the following process: It queries all IPs assignedto the PC on which it is installed. Using the subnet masks assigned, it checks whether the IP is local ACCORDING t [...]
The calls end after 3 hours to prevent a scenario where a person makes a call somewhere and forgets to hang up AND the gateway does not detect the hangup. This avoids terminated calls from remaining active and helps to avoid charges. It is a fail safe feature. The 3CX Phone System is set to end calls every 10800 Seconds. This Value can be changed to any time value you like from [...]
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