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VoIP Toolkit

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Next Generation Telephony: A Look at Session Initiation Protocol

PublisherAgilent Technologies
Format PDF, requires Acrobat Rdr 5Date added14 Aug 2003
Topics VoIP - IP Telephony, Industry Standard Protocols, Telecom Regulation, Scalability, ISPs
Downloads11

The future of VoIP has many facets, and there are many markets with varied value propositions. The telephony market for the small business requires inexpensive, turnkey solutions for VoIP. A new service from an Internet Service Provider (ISP) might present the implementation of VoIP for the small business. The real demand for SIP is being fueled by concerns about H.323. These concerns (call set up latency, scalability, and complexity) have opened a window of opportunity for SIP. Vendors of VoIP products currently involved with H.323 are expanding their development efforts to take advantage of this opportunity. Early deployments of SIP based telephony have begun at the enterprise level. SIP interoperability event held during April 1999, where major equipment vendors gathered for two days of intensive testing, demonstrated that interest in SIP is translating into commercial product development.

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