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SIP Trunking

By Christina Hattingh, Darryl Sladden, ATM Zakaria Swapan
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$54.00
By Christina Hattingh, Darryl Sladden, ATM Zakaria Swapan
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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 leg…

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