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Opex
Internet Voice - Opex has always been a leader in telecom, certainly
they are no newcomer, with services such as long distance and prepaid cellular
Opex has been making customers happy for a long time. Well, now Opex brings you their Internet Voice product.
Great VoIP Rates with outstanding quality and the type of customer service that
has made Opex a leader for more then 15 years!
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VoIP Hacks: Tips & Tools for Internet Telephony
- VoIP is simply overflowing with hack potential, and VoIP Hacks is the practical guide from O'Reilly that presents these possibilities to you. It provides dozens of hands-on projects for building a VoIP network, showing you how to tweak and customize a multitude of exciting things to get the job done.
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