The value of SIP trunking

I agree with the points in this article about the value of SIP trunking.  It is a great technology that can bring a great deal of value while adding redundancy.  For offices that have multiple locations you can pool the trunks so the offices share those resources.  If one location goes down SIP can automatically fail calls over the the redundant location.  Older technology like PRI circuits are not able to do this. 


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