The first complete guide to planning, evaluation, and application of high-value SIP trunking solution Most companies have turned to IP telephony, and network backbone providers have largely converted to transporting VoIP. Written for corporate decision-makers, network architects, consultants, and service providers, this book demystifies the SIP trunking technology and trends and bring unprecedented clarity to the transition from TDM to SIP interconnection. SIP Trunking also introduces important techniques to optimize network design and security, introducing proven best practices for implementation, and show how to implement them through start-to-finish case studies. Christina Hattingh, a member of technical staff in Cisco's Access Routing Technology Group (ARTG), has been involved with Cisco VoIP technology from their initial and continued to consult and provide training in these areas. ATM Zakaria Swapan, Cisco ARTG technical staff member, has been a major contributor to the development of SIP Cisco, the Cisco Unified Border Element, VoIP Gateway, Secure Unified Communications, Wireless Voice, QoS & Call Admission Control and some VoIP technology. ? Discover advanced Unified Communications solutions that facilitate the SIP trunking ? Managing SIP / TDM interworking entire transition This IP communications book is part of Cisco PressNetworking Technology Series. IP communications titles from Cisco Press help networking professionals understand voice and IP telephony technologies, plan and design converged networks, and implement network solutions for increased productivity.