June 4, 2014

Centralized vs. Distributed SIP Trunking: Making an Informed Decision

SIP trunks offer significant financial, operational, and functional advantages over conventional PRI circuits. Highly flexible, SIP trunks can be deployed in a centralized or distributed fashion to satisfy diverse business requirements; however, each deployment model has distinct merits and drawbacks. This white paper helps IT planners carefully examine the pros and cons of each approach when formulating a migration plan.


Our experience -- having assisted enterprises in a couple of dozen SIP procurements in the last three years or so -- is that while it may be true that 60% of enterprises start out thinking they will go with the centralized approach, for reasons nicely laid out in the white paper after all is said and done about 95% go that way (with the redundancy Oracle endorses).

This is a primary consideration in the TechNote "Don't Blindly Buy SIP Trunking from your Incumbent Telco". And there's nothing new about this. Choosing a centralized vs. distributed architecture has been a perpetual issue in most technology implementations - going all the way back to when there were two primary networks in the US for X.25.

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