Published at LXer:

Is open, session initiation protocol (SIP)-based telephony achievable for the enterprise? Lately, I am being told by industry consultants, as well as the majority of trade press articles and vendor presentations, that it isn't -- that secure and feature-rich IP (Internet Protocol) telephony can be achieved only through the proprietary extensions of the established telephony vendors, at least for now. However, communications professionals at several major universities are collaborating to develop these systems, based on open source and open standards, for production use in their own enterprises. Their progress is encouraging.

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