Affordable Video Conferencing – Part 1 – Hardware

After receiving a quote for a Polycom video conferencing unit for around the $5000 mark excluding extras, I set out to put together an affordable conferencing solution. In this two or three part series I will cover the design, build and implementation of the solution as I get there.

We began with a couple of requirements:

  • The unit must be portable, able to be wheeled around the campus.
  • Upon arrival at the location, it should be able to be up and running within a couple of minutes.
  • As our demand for video conferencing isn’t that high, the unit should be able to be used for video editing, to help justify the cost of having a powerful computer on the unit.

I first spent a few hours looking through catalogues of AV Trolleys and general computer trolleys, but wasn’t able to find any I was satisfied. The trolley would need to hold a computer, monitor, webcam, keyboard/mouse, speakerphone.

Last Wednesday I was down in our tech workshop when I noticed a sack barrow and realised we could convert one into a pretty useful trolley ourselves.

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Posted in Tech, Telephony, Work | Tagged | 1 Comment

Affordable IP Phone Systems

Asterisk has been around for a number of years now, most tech consultants will be aware that there are open source PBX solutions that can run on your PC. However, until I discovered the Atcom IP series of Asterisk appliances, I knew I would have a hard time convincing small businesses of the benefits of VoIP.

There is a strange sense of security that goes with having a dedicated appliance for something as critical as telephony. Businesses that are used to having a phone system on the wall somewhere may not be totally comfortable having a phone system running on any old PC sitting in the server room (although this could be a safer option, as you always can drop the hard drive into another machine if something goes wrong with one).

While there have been Asterisk appliances from major names like Digium, their cost is not much cheaper than a POTS system, making migrating from a traditional phone system hard to justify. The Atcom IPxx series on the other hand which you can get the base unit for under $500, depending on how many analogue trunks and extensions you want.

I should note that it is not a trivial cost associated with moving to VoIP – if you have existing analogue phones the cheapest way will be to use ATA devices such as the Linksys SPA8000. VoIP phones start at around the $200 which soon adds up.

The ATCOM looks fairly easy to set up. There will be a learning curve, but it is definitely within the scope of in house IT staff to create new extensions, reconfigure IVR menus, if not set up the whole system from scratch.

For the price, I would buy two, and keep one as a spare that I could drop the flash card into should anything happen to the other.

The Atcom IP01 / IP04 / IP08 can handle around 30 concurrent calls, which is plenty for any small to medium business in New Zealand.

My immediate reaction when I saw this was to buy it just because it was so unbelievably cheap. Unfortunately, being a student means that isn’t quite a good enough reason to buy one.

Update: July 2009
I still haven’t tried out any of the ATCOM gear. I have to say I am nervous about the quality, I’d love to think it would be excellent, but until I have tested it I won’t know. In New Zealand of course you are probably still going to want analogue trunks instead of relying on 2talk/SIP trunks unless you have a really nice internet connection.

Posted in Telephony | Tagged | 2 Comments

DNS Performance Test Utility

Recently I have been trying to tune the internet performance at work (and find out whether it is faster to run a DNS forwarder on our VPS hosted in a data centre, or to do queries directly to OpenDNS), and found this cross-platform tool which looks very useful for checking out query speeds of different DNS servers.

DNS Performance Test by the1silverwolf. Enjoy!

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2talk VoIP Review

Over the past few weeks I have been trialling a VoIP provider I hadn’t noticed in New Zealand before, 2talk, and I have been very impressed.

Usually I would write this the other way around, and rave on for a bit then talk about my experience, but in the interests in not boring you too much I will skip to the review. Update: Because this post got far too long, I actually split into two posts.

My experience has been absolutely flawless, every call perfect quality, no dropped calls or degraded quality. I signed up for the $15/month personal plan, in which you get 500 minutes and two NZ numbers. I used one of my allocated numbers for an 0800 number, and signed up for a local Greymouth number, so I could call my parents without even using any of my minutes (“local” calls are free).

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2talk SIP Termination for Small Businesses

I have been interested in getting the place I work for to switch over to VoIP to reduce the cost of our tolls – mainly in the area of 0800 calls.

My initial plan was to use a VoIP provider, purchase various numbers around the country, and use geographical routing on our 0800 number to route calls to the local numbers we had purchased (as 0800 calls to local regions cost less).  Enter 2talk.

2talk provide a Business Go plan, you can check it out on the site, but with it, you can buy 0800 numbers and you don’t need to have them terminating to a number – meaning we don’t need to bother with setting up local numbers around the country. What is even better, is that the 0800 numbers first use up the minutes that you get as part of the plan – and their Go plan you get unlimited minutes! So that means, unlimited minutes of 0800 calls, and unlimited outbound calls, (Reasonable small business use applies).

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