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CCNP Collaboration Call Control and Mobility ...
by Davis, Kyzer; Giralt, Paul; Kinane, Patrick; et al.
ISBN: 9780136575542
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IoT Fundamentals Networking Technologies, ...
by Hanes, David; Salgueiro, Gonzalo; Grossetete, Patrick; et al.
ISBN: 9781587144561
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Understanding Session Border Controllers ...
by Inamdar, Kaustubh; Holl, Steve; Salgueiro, Gonzalo; et al.
ISBN: 9781587144769
Fax, Modem, and Text for Ip Telephony
by Hanes, David; Salgueiro, Gonzalo
ISBN: 9781587052699