SIP Trunking with Lync Server 2010 (calls end at 51min 30sec)

I recently worked on a project for a customer who was interested in working with a local SIP trunk provider (ITSP) who is listed on the Microsoft OIP page for Lync Server 2010. We offered four connectivity methods to the client which consisted of the following: Full IP NAT connection to ITSP Public IP connection to…

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