Archive for 'VOIP' Category

PBX-in-a-Flash (and Linux) Network Driver Problem

By jbayer - Last updated: Friday, April 22, 2011

I recently installed PBX In A Flash on an Intel D525 Atom board, with an on-board 8168b NIC.  I had a problem where the phones would just stop for 1-5 seconds, and then continue.  I was able to track it down to the NIC which CentOS installed. CentOS installed the driver for the RealTek 8169, […]

1,370 views

Setting up a secondary High-Availability Asterisk server

By jbayer - Last updated: Wednesday, April 6, 2011

Congratulations!  You have now set up your first Asterisk-based VOIP server. Next question (probably the first your boss will ask you):  What happens when the server crashes, or loses power, or needs to be upgraded, or…….;  well, you get the idea.  If you only have a single server, you lose your phones until it is […]

6,732 views

Remove/reconfigure an Aastra phone from an Asterisk/FreePBX installation

By jbayer - Last updated: Wednesday, March 23, 2011

During my initial setup and configuration of our new VOIP system, I had to remove a phone from the system several times.  After doing so several times, I have been able to remove a phone in less than a minute. To totally remove an Aastra phone from an Asterisk/FreePBX configuration, you need to remove the […]

1,803 views

Setting up a VOIP server, part 5 (Weather by Zip)

By jbayer - Last updated: Wednesday, March 23, 2011

I wanted to have the feature available to get the weather by zip code, so I tried to install the Weather by zip code module.  There is a deplorable lack of documentation on the steps needed to install this.  As usual, this article documents my experiences with Elastix, but since Elastix uses FreePBX this should […]

1,453 views

Setting up a VOIP server, part 4 (aastra)

By jbayer - Last updated: Tuesday, March 22, 2011

The IP phones we are using are made by Aastra, and are great pieces of equipment.  When booting up they contact (by default) a TFTP server, which is identified by DHCP option 66. We needed to have our phones portable, and didn’t want to go through the hassle of setting up an external TFTP server […]

1,490 views

Setting up a VOIP server, part 3 (Elastix)

By jbayer - Last updated: Tuesday, March 15, 2011

I chose Elastix, partially because it is a a popular distribution, partly because it is easy to install, and partly because it includes additional functionality which we may use in the future.  Elastix is actually a complete communications server, including email, fax, VOIP, IM via Jabber, and integration with different CRMs http://www.elastix.org You can download […]

2,006 views

Setting up a VOIP Asterisk server, part 2 (IP Phones)

By jbayer - Last updated: Tuesday, March 15, 2011

IP phones are plentiful, but we wanted reliable phones which the phone system could use to the fullest.  I’ve used several, including Aastra and Grandstream.  The best supported IP phones for Asterisk are made by Aastra. Their line includes: 6730i Series 6750i Series 9000i Series Any one of these phones are a great choice.  We’ve […]

1,760 views

Setting up a VOIP Asterisk server, part 1

By jbayer - Last updated: Tuesday, March 15, 2011

The saga of replacing a legacy phone system with a complete VOIP solution The lease was coming to an end on our legacy phone system, and we started looking for an alternative.  We considered the following choices: Extend the lease for another 3 years, at which time we would own the system Replace the phone […]

2,310 views
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