IAS Morphs into SIP Trunking

March 18, 2008
One of the many types of SIP Trunking will be using current IAS-Integrated Access Service also known as CAS-Converged Access Service to support SIP signaling. That is, the provider SBC-Session Border Controller would act as a SIP Proxy server to support SIP UAC-User Agent Client devices, Microsoft OCS-Office Communications Server, softphone clients, analog and other signaling protocols such as FAX and T.38 FAX. QoS is also supported in the LAN via 802.1p/q and on the WAN DSCP-Differentiated Services Code Points or separate MPLS-Multi-Protocol Label Switching. In addition, SIP trunking will be offered via metro/gigabit ethernet. Among the many providers of this technology is Nortel with the CS2100.
 
If you want to know more, this information is also part of OCS-101 and SIP Essentials 2.0c available in the onsite and online courses. The online version is $299 for SIP 2.0c and for $499 as part of OCS-101 Office Communications Server online version per person or less with discounts. For more information go to http://www.techtionary.com or please call Tom Cross at 303-594-1694 or cross@gocross.com Discounts are also available to members of the SIP Forum. 


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