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Friday, September 22, 2006

A-IMS - Verizon's 'Advances to IMS'

Interesting update to IMS Services Brainstorm agenda:

On Day One (4th Oct) Simon Wright from Lucent will be describing 'A-IMS' (Advances to IMS), Verizon's approach to the architecture that takes non-SIP applications into account. Lucent, along with Cisco, Motorola, Nortel and Qualcomm have been working with Verizon on this 'behind closed doors' for some time, and it was announced in June.

Simon will be describing what is 'A-IMS', why are NEPs like Lucent involved, and how Verizon intends to use it.

The Editor, IMS Insider

Can't let this one go by without a comment or two. A-IMS is an example of how IMS will make interoperability between multiple IMS networks a nightmare exercise. With that said, it's still usually bullet item 3 or 4 from IMS vendors' slide decks that states something to effect that 'IMS addresses the issues with Interoperability'. IMS is suppose to permit the roaming of a subscribers. Are we now to think that A-IMS subscribers will need to roam only to other A-IMS networks? Also, A-IMS lacks the participation of Verizon Wireless. This is more an example of a technical casualty to a corporate merger than a good idea.

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