Posts tagged as:

voip

How to do a Data Only Smartphone Plan for $25/month

1 October 2011

These days having a smartphone means spending $60/month or more for a base package of loads of minutes you may never use, text plan, and a mandatory data package. But what if you could buy just data, run voice over the data plan, and use IM clients instead of text? Well now you can. [...]

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Using the Linksys SPA-3102 as a VOIP ATA

12 March 2009

In other blog entries I’ve been discussing a larger project of setting up a personal Voice over IP (VOIP) Asterisk server using the Linksys SPA-3102 VOIP gateway device. An ATA (Analog Telephone Adapter) allows one to use old fashioned phones on a voice over IP network, or you can just use IP phones. An ATA [...]

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Personal VOIP/PBX using Asterisk, part 2

19 January 2009

This is part two of my series on how to set up an asterisk server for home use on a Linode VPS — but is applicable to any host that doesn’t have additional hardware telephony devices installed in the server. Please refer to Part 1 for how to set up the dummy timing module. Also, [...]

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IP Telephony Codecs

17 January 2009

My first stumbling block when installing and trying to get Asterisk PBX working were the codecs and mismatching. If both ends of a connection can’t negotiate the same codec, the call won’t complete. I grabbed the recommended asterisk config for gizmo5 and when attempting to place a call to my gizmo call-in number which should [...]

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Personal VOIP/PBX using Asterisk, part 1

11 January 2009

Background Voice over IP is simply placing phone calls over the Internet instead of traditional phone lines. This means the calls are usually cheaper, but not free in many cases since often the telco lines have to get involved at some point to either originate or terminate a call. However, true voip calls are almost [...]

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