Category Archives: VoIP

Asterisk with SS7 via Wanpipe, Dahdi and libss7 – with ISUP SAM support

Posted on January 12, 2012 by Barry O'Donovan

A howto on installing Asterisk with SS7 supported via libss7 on Sangoma hardware along with support for ISUP SAM messages. Continue reading →

Posted in Links, Linux, My Links, OSS, Recipes, VoIP, Work | Tagged , , , , , , , , , , , , , | Leave a comment

Asterisk SIP Brute Force Attacks on the Rise

Posted on September 17, 2010 by Barry O'Donovan

See my article on the company blog for a discussion on this, and a how to on using Fail2ban to help stop these attacks.

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chan_ss7, pcap files and 64bit machines

Posted on April 28, 2008 by Barry O'Donovan

UPDATE: April 29th 2008 Anders Baekgaard of Dicea ApS (current chan_ss7 maintainers) recommends the following alternative patch. Please note that mtp3d.c will also need to be patched in the same way: — chan_ss7.c~ 2008-04-03 09:23:56.000000000 +0200 +++ chan_ss7.c 2008-04-29 08:29:20.000000000 … Continue reading →

Posted in Linux, OSS, VoIP | Tagged | 1 Comment

Nagios Plugin to Check the Status of PRI Lines in Asterisk

Posted on November 2, 2007 by Barry O'Donovan

I have a number of Asterisk implementations that I keep an eye on that have multiple PRI connections. Knowing if and when they ever go down has the obvious benefits of alerting me to a problem in near real time. … Continue reading →

Posted in Linux, OSS, Recipes, Software, VoIP | 5 Comments

Sangoma Inconsistancies with Latest Zaptel-1.4

Posted on April 8, 2007 by Barry O'Donovan

I’m on a tight deadline and the last thing I need right now is kernel/Asterisk/Zaptel/Sangoma issues… This post may just help someone else save some time: When running Sangoma’s Setup script from their wanpipe-2.3.4-7 release, the following error occurs when … Continue reading →

Posted in Linux, OSS, VoIP | 4 Comments