Game changers

Baumgartner, Jeff
October 2005
CED;Oct2005, Vol. 31 Issue 10, p14
Trade Publication
Focuses on the role of Session Initiation Protocol (SIP) and Information Management System on Internet Protocol telephony services in the U.S. Maturity of SIP and the technical needs of the operators; Media applications that can use SIP and the black phone service; Scope of functionality, including presence and instant messaging of SIP. INSET: SIP + IMS spells 'control'.


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