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Are you Barrie Dempster, author of the books below?
TrixBox Made Easy by Barrie Dempster Configuring IPCop Firewalls by Barrie Dempster Asterisk 1.6 by Barrie Dempster Trixbox by Barrie Dempster Building Telephony Systems With Asterisk by Barrie Dempster Configuring IPCop Firewalls by Barrie Dempster Building Telephony Systems with Asterisk by David Gomillion Building Telephony Systems with Asterisk by David Gomillion Trixbox by Kerry Garrison Construindo Sistemas De Telefonia Com O Asterisk by David Gomillion


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