f you would like to learn more about 3CX Phone System for Windows, please come to our 3CX/Deerfield Roadshow in the Washington D.C. area October 28, 2009 and spend the day seeing how easy it is to sell, deploy, and manage a 3CX installation. Agenda: 10:00 - 10:15: Welcome and Introduction 10:15 - 10:30: 3CX IP PBX for Windows: Why? 10:30 - 12:30: Overview of 3CX Administration [...]
We are happy to announce a release candidate for 3CX Phone System v8! New additions in this release candidate are: Support for Polycom BLF Support for Polycom Side car Support for Berofix BRI and PRI Gateway cards Support for the new Cisco 5XX range of IP phones You can download RC1 here You can download the latest 3CX Assistant (with optionally integrated CRM and 3CXPHone) her [...]
Five Questions to Help You Decide Which Telephone System Is Best for Your Business There are various options in the market nowadays when it comes to business telephone systems; therefore it can be a challenge to decide which telephone system is best for your organization. In this article we have put together five useful questions that every businessperson should ask him/herself [...]
As seen in a previous article, STUN protocol plays an important role in VoIP implementations: to discover the presence of NAT and to learn and use the bindings allocate to the client by the NAT. In this article, we will look into details of the STUN protocol itself. The STUN Protocol STUN is a client-server protocol. A STUN client (typically embedded in VoIP software, such as a [...]
This FAQ explains how to configure your Patton Gateway for the first time by connecting it to the network, discovering it’s IP Address and then configuring the network settings. You will then be able to import the configuration to it. There are 2 ways to log into a Patton Device. Connecting a Patton to the network using the Patton SmartNode Discovery Tool Step 1: Connect the de [...]
As seen in Part 1 of this article, STUN enables a SIP entity running behind a NAT to discover its public IP and what type of NAT is running on the gateway it is connected to. It also enables the SIP entity to discover which port external SIP entities can connect to, to establish a connection. Since SIP uses UDP as transport protocol, and UDP is not a connection oriented protoco [...]
STUN stands for Simple Traversal of User Datagram Protocol (UDP) through Network Address Translators (NAT's). Typically it is used in several different network implementations and scenarios, one of which is in VoIP implementations. Because of the way protocols used in a SIP based VoIP call work, making calls between two SIP entities running behind NAT devices such as a router o [...]
3CX Windows based software PBX and Polycom audio quality convince Audio Industry Giant LONDON, UK and Mountain View, Calif. - Sep 07, 2009: Euphonix, a leading manufacturer of large-format digital audio consoles, media controllers, and peripherals, has provided customers worldwide with trusted broadcast, post, live sound, and music production solutions for over 20 years. As a l [...]
Important Notice: This article contains outdated content and is here for archival/informational purposes. For the 3CX Session Border Controller view: https://www.3cx.com/docs/3cx-tunnel-session-border-controller/ What is the 3CX SIP Proxy manager? The SIP Proxy Tunnel can combine all SIP (signaling) and RTP (media) VoIP Packets from one location (typically a remote office) and [...]
The 3CX Phone System frequently communicates across LANs and establishes calls between devices (softphones, hardphones, gateways, VoIP providers, and PBX bridges) which are located on different networks. The PBX communicates both with devices that are inside the PBX's LAN (internal devices), as well as with devices that are outside the PBX's LAN (external devices). 3CX needs to [...]
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