1.
Learning Guide for Asterisk 1. 6 : Learn how to build a PBX using Asterisk in a Week
by Goncalves, Flavio E., Braga...
ISBN: 9781452889368
List Price: $28.95
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Building Telephony Systems with OpenSIPS 1.6
by Goncalves, Flavio E.
ISBN: 9781849510745
List Price: $44.99
OUT OF STOCK
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4.
Building Telephony Systems with Openser
by Goncalves, Flavio E.
ISBN: 9781847193735
List Price: $44.99
5.
Building Telephony Systems with OpenSIPS - Second Edition
by Goncalves, Flavio E., Iancu...
ISBN: 9781785280610
List Price: $44.99
6.
Complete Asterisk Training: Learn how to install and configure an Asterisk PBX
by Mr. Flavio E Goncalves
ISBN: 9781796396973
List Price: $44.95
OUT OF STOCK
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Building Telephony Systems with Opensips - Second Edition
by Goncalves, Flavio E., Iancu...
ISBN: 9781785288678