Bohack

In the part two I covered transmit and receive volume and DTMF Relay. In this last part we roll up our sleeves and look at some tcpdumps in Wireshark. This is how we can identify issues and remedy them with the past two articles.

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This is part two of solving problems with VOIP and fire alarm system panels. The first part can be viewed here http://www.bohack.com/2012/04/how-to-solve-common-problems-with-voip-and-fire-alarm-systems-dialing-out-part-1/ I covered several common problems like POTS lines, on-hook voltage and VOIP quality settings.

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In this series I will cover common problems with VOIP and fire alarm panels that are connected to an Adtran ATA or Analog Telephone Adapters. Specifically panels that need to dial outbound, inbound requirements and adjustments are somewhat different.

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During a recent project I found out; that Ubuntu does not have the latest package for Asterisk PBX server. So the only way to get Asterisk 1.8 is to compile it from scratch. So I am going to show you how to compile and install Asterisk 1.8 properly from source.

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