• Новости

    Новости компании 3CX и партнеров

  • Релизы 3CX

    Анонсы о выходе новых или обновленных продуктов компании 3CX.

  • Статьи о 3CX Phone System

    Дополнительная документация и статьи о 3CX Phone System.

  • Настройка VoIP телефонов

    Инструкции по настройке VoIP / SIP телефонов для работы с 3CX Phone System.

  • Настройка VoIP шлюзов

    Инструкции по настройке VoIP / SIP шлюзов для работы с 3CX Phone System.

sip

Configuring the Robin Smartview Video Doorphone with 3CX Phone System

February 9, 2012 - 9:47 am | 0 Comments

If you need a simple SIP-based video door phone, the Robin Smartview should provide a simple solution. This document will explain the steps necessary to set up, configure, and test one of these devices for …

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New Version of 3CXPhone for Android Available with 3CX Tunnel (1.3.1)

September 3, 2011 - 5:25 am | 0 Comments

We are pleased to announce a new release of 3CXPhone for Android, build 1.3.1, which includes the 3CX Tunnel.

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Configuring GoldBolt FaxSkape Fax Server for Faxing with 3CX Phone System

July 19, 2011 - 11:58 am | 0 Comments

Important: This document was prepared and tested using GoldBolt FaxSkape Fax Server version 7.0 (Build 11193.1047). If the GoldBolt FaxSkape Fax Server resides on the same machine as 3CX Phone System, you MUST ensure that this SIP …

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3CX delivers free VoIP / SIP phone for iPhone

January 26, 2011 - 2:36 pm | 0 Comments

Standards based SIP softphone allows iPhone, iPad and iPod Touch users to make calls via Wifi and 3G London, January 26 – 3CX, developer of the popular Windows softphone 3CXPhone and VoIP PBX 3CX Phone System, …

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Beronet: Redirecting an MSN number to a FAX machine / ISDN card

January 13, 2011 - 1:43 pm | 0 Comments

Beronet Berofix Gateway: Redirecting an MSN number to a FAX machine / ISDN card and bypass VoIP SIP

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3CX releases free VoIP phone for Android: 3CXPhone

September 8, 2010 - 12:39 pm | 0 Comments

Full featured SIP phone for Android allows users to make free VoIP Calls over WiFi and 3G London, September 8– 3CX, developer of the popular Windows softphone 3CXPhone and VoIP PBX 3CX Phone System, today announced …

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Router Configuration for 3CX PhoneSystem

July 23, 2010 - 10:17 am | 0 Comments

Correct Router Configuration is a key element in ensuring correct communications between 3CX PhoneSystem and external entities such as external extensions, VoIP Provider services, and other Bridged PBXs. NAT and/or PAT When a network host A sends a request to another network host B, it will be expecting a reply to the request.

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Configuring External Extensions with 3CX PhoneSystem

July 15, 2010 - 11:10 am | 0 Comments

Connecting an External Extension to 3CX PhoneSystem is often requested, and can be extremely useful for linking small remote offices and home workers. Here we get a shot at using other phones as External Extensions. Using a SIP Hardphone as a Direct External Extension For a SIP Phone to work as an External Extension, it will be necessary to configure some additional phone features – assuming that the features are available.

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General Configuration Information when using VoIP Providers

May 3, 2010 - 7:20 am | 0 Comments

This document will provide an overview of the more common concepts which need to be kept in mind when configuring 3CX PhoneSystem inside your network infrastructure, including the following topics: NAT Configuration STUN Resolution DNS Resolution in a …

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Firewall Configuration Overview for 3CX PhoneSystem

March 29, 2010 - 7:57 am | 0 Comments

In order for 3CX Phone System to communicate successfully with VoIP providers and Remote Extensions, your firewall/router device must be configured for SIP operation. To maximize your chances of success, make sure you choose a …

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The main SIP INVITE Header Fields explained

March 8, 2010 - 9:15 am | 0 Comments

This article explains the main fields included in a SIP INVITE, which is sent to set-up a VoIP call. A SIP INVITE message contains typically between 4 and 6 header entries with contact information inside them

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Configuring and testing a VoIP Provider for use with 3CX PhoneSystem

November 5, 2009 - 12:04 pm | 0 Comments

Note 1: The results generated from these tests should remain valid while the VoIP Provider keeps your account settings static. If your VoIP Provider account is reconfigured, it may be necessary to redo these …

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Using the 3CX SIP Proxy Manager

September 3, 2009 - 12:21 pm | 0 Comments

You can download the stand-alone SIP Proxy Manager from here: http://www.3cx.com/downloads/3CXSIPProxyManager8.msi. IMPORTANT: Use the above link with 3CX Phone System version 8.0.9908 or higher.  Use this one for For Version 7 of the 3CX Phone …

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Analyzing a SIP Call

August 4, 2009 - 1:38 pm | 0 Comments

This document describes how a SIP call is established in 3CX Phone System, and what events will be written to the ‘Server Status’ page in the 3CX Management console. Using this call flow description, and …

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Setting phones to use FQDNs instead of IP Addresses

July 16, 2009 - 6:37 am | 0 Comments

During set-up you are prompted to enter the FQDN of the phone system server OR the SIP domain. This SIP domain is used if you wish to use Direct SIP calls (more info here), but …

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How Microsoft Exchange Server 2007 / 2010 Unified Messaging works

June 2, 2009 - 6:41 am | 0 Comments

Introduction Microsoft Exchange Server Unified Messaging communicates with a PBX via the SIP protocol. However: 1) Only TCP transport is used

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Editing The Built-In Phone Provisioning Templates

March 2, 2009 - 10:02 am | 0 Comments

3CX PhoneSystem is supplied with pre-configured templates for the most popular SIP Phone vendors on the market. These pre-configured templates include the settings which the majority of users need. Occasionally, however, it may be necessary to …

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3CX Launches YouTube Channel with Technical VoIP Nuggets

February 17, 2009 - 12:14 pm | 0 Comments

Innovative video clips provide FREE online visual training on VoIP, SIP and 3CX IP PBX London – 17 February, 2009 – 3CX (www.3cx.com) the international developer of telecommunications software has announced the launch of its Youtube …

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3CX Launches YouTube Channel with Technical VoIP Nuggets

February 17, 2009 - 12:14 pm | 0 Comments

Innovative video clips provide FREE online visual training on VoIP, SIP and 3CX IP PBX London – 17 February, 2009 – 3CX (www.3cx.com) the international developer of telecommunications software has announced the launch of its Youtube …

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How does 3CX Phone System decide whether a call is internal or external?

February 4, 2009 - 11:57 am | 0 Comments

When is a call internal or external?

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