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Revisiting A GSM Interface For Your Asterisk Server

Some time ago @Boxdog pointed me to a uCPBX in Bulgaria. They are reselling various small Asterisk systems based upon the Astfin project. They have a few variations on the IP04, including an 8 port variant (IP08 = 8 FXOs) as well as 1 or 4 port BRI capable versions.

ucpbx-astfin-br4-back

The design of the base system supports adding interface ports through the use of little daughter cards. I believe that their daughter cards are compatible with Digium’s TDM-400P card. The cards even use the standard DAHDI driver making installation especially easy.

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pfSense + Freeswitch

According to the pfSense blog there's been an effort to implement Freeswitch as an installable package to pfSense. This is very interesting. There's a long list of comments to the blog post which collectively spell out some of the merits…

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VOIP Projects On The Horizon

Now that the NAB show is over I can reclaim some of my personal life and resume a couple of projects already underway, as well as add some new ideas. Here are some highlights of things to come;

GSM Gateway

My exploration of the Portech MV-370 SIP-GSM gateway will continue. I’ve decided that this will happen in two parts. Part one is a backgrounder exploring factors that could motivate a VOIP user to consider adding wireless gateway capability, what problems they might solve and a market overview of the available devices. This part is almost ready for the publisher and will appear at www.smallnetbuilder.com.

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Considering Hosted IP-PBX Offerings

Zeeek posed an interesting question earlier today : “What hosted service would you choose for a non-technical friend?”

Here’s my take on the subject:

Configuration Flexibility

The whole idea of hosted PBX is that you retain the flexibility of having your own PBX, but avoid the headache of its physical installation, maintenance and cost. There will be some configuration, maybe more than a little. There can still be a role for a consultant if the end users are truly non-technical.

Ultimately the ability to craft a dial plan that will adequately serve the end user will revolve around the configuration flexibility of the provider. Here are some features to look for:

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