This guide is outdated please refer to the latest guide. Ten tips for a more secure IP PBX System If you are in charge of a VoIP system or planning to deploy one, then VoIP security is probably one of your main considerations. In this article we present ten simple tips that could help make an IP PBX System more resilient to network attacks. Protect the administrative interface [...]
Training day in Kingston, 6 November 2009
When a SIP based VoIP call is established, the audio or video sent between two SIP entities or more is streamed. Since many different codecs are supported by different devices or software, and each individual SIP entity taking part in the call does not know the IP address of the other SIP entity or to which port the stream should be sent to, SDP is used to advertise such detail [...]
When media is streamed in a SIP based voice over IP call, being audio, or video or both, one of the requirements is for the participants to know the media details, i.e. transport address, transport protocol, codec, ports and other session description metadata. SDP, also known as Session Description Protocol is the protocol used with SIP (session initiation protocol) to advertis [...]
New version 8 completes unified communications offering with text chat, remote phone management, CRM integration and call center features London, UK – 6 October 2009 – 3CX today announced a new version of its popular VoIP PBX for Windows, 3CX Phone System v8.0. With the new instant messaging feature, 3CX Phone System becomes a complete VoIP Unified Communications Solution. Othe [...]
This document explains step by step how to upgrade the firmware of your Patton to the latest version. This doc uses the Patton 4554 as an example, however all other Patton devices follow an almost identical procedure. Step 1: Download the appropriate firmware for your Patton 1. Go to the firmware repository on the Patton website. 2. Now choose the Smartware firmware version you [...]
This the final build of 3CX Phone System v8 which will be released early next week. Unless there are major showstoppers, this release will go 'Gold'! Changes: FAX SERVER FIX for crash on numerous incoming faxes restore procedure for prompts Fax configuration of files form the edit templates - fax over poroviders with Nat support Myphone bug in forwarding rules not showing. Impr [...]
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 [...]
Busy Lamp Field (BLF) is a light on an IP phone which tells you whether another extension connected to the same PBX is busy or not. This has to be configured manually from the phone user and it is usually done by making use of the web interface. When configured, the phone subscribes to a resource list available on an IP PBX to be notified with such information about other exten [...]
3CX Phone System for Windows RC2
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