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Running Positron IP-PBX Appliances and Embedded Blades in High Availability Configuration

It is not widely known, but it is possible to run any of the Positron Asterisk embedded blades and appliances in high availability pairs of master and slave. Very useful in scenarios where you need to recover quickly from a hardware failure. The document below is specifically for the V114 embedded asterisk card, but applies […]

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Securing Your PBX System against Unauthorised Access

The number of attacks on sip based voip systems appears to be increasing at an alarming rate over the past few months and therefore it is essential that your pbx environment is secured. Some essentials actions that you must take include: Ensure a firewall is in place to protect your internal Network from the internet […]

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Grandstream Price Increases on PBX Appliances and Gateways

Grandstream has announced price increases on its FXO based PBX appliances and gateways. The models affected are: GXE5024 GXE5028 GXW4104 GXW4108 We have small quantities of the above in stock and will introduce the new pricing when these stock levels are fully depleated.    

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3CX Version 7 Launched

3Cx version 7 has been officially launched and we have updated our pricing to reflect changes introduced by 3CX. The official announcement reads: London – 8 December 2008 – 3CX (www.3cx.com) the international developer of telecommunications software has announced the roll out of version 7.0 of 3CX Phone System for Windows. The new version comes […]

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Digium and Skype Collaborate to Bring Skype to Business Phone Systems

 Anyone interested in Skype for Asterisk? Skype For Asterisk beta program starts today, adding Skype features to Asterisk-based solutions GLENDALE, Ariz. – Digium(R), creator and primary developer of Asterisk(R), the leading open source telephony platform, and Skype(TM), the leading global Internet communications company, today announced the beta version of Skype For Asterisk, which will allow […]

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Overview of our IAX Phones

I’m often asked to explain the differences between the different IAX models that we stock so I thought I’d take this opportunity to put something down on paper. All of the phones that we supply are based around either an Infineon or AR1688 chip. Infineon Chip The following models use the infineon chip and with […]

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University dumps Cisco VoIP for open-source Asterisk

It is quite unusual to hear of a large organisation taking the plunge and moving from an established platform such as Cisco Callmanager into the world of open source. That’s why I was quite interested in the following article: http://www.networkworld.com/news/2006/091206-von-sam-houston.html It details how Sam Houston State University are in the process of replacing their Cisco […]

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