Deploying Cisco Voice over IP Solutions (Networking Technology): 9781587204227: Computer Science Books @ Amazon.com
CCNP Collaboration Call Control and Mobility CLACCM 300-815 Official Cert Guide 1, Davis, Kyzer, Giralt, Paul, Kinane, Patrick, Salgueiro, Gonzalo, eBook - Amazon.com
Cisco Voice over Ip Cvoice: Authorized Self-study Guide: 9781587052620: Computer Science Books @ Amazon.com
Voice over IP FirstStep: 9781587201561: Computer Science Books @ Amazon.com
Implementing Cisco IP Telephony and Video: (CIPTV2) Foundation Learning Guide (CCNP Collaboration Exam 300-075 CIPTV2) Part 2 (Foundation Learning Guides) by William Alexander Hannah (2016-03-22): Amazon.com: Books