Authors: Christina Hattingh
Darryl Sladden
ATM Zakaria Swapan
Description
The first complete guide to planning, evaluating, and implementing high-value SIP trunking solutions
Most large enterprises have switched to IP telephony, and service provider backbone networks have largely converted to VoIP transport. But there’s a key missing link: most businesses still connect to their service providers via old-fashioned, inflexible TDM trunks. Now, three Cisco® experts show how to use Session Initiation Protocol (SIP) trunking to eliminate legacy interconnects and gain the full benefits of end-to-end VoIP.


