Lucent Technologies 5ESS - 1 Overview

1 Overview
Overview
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Purpose
The purpose of this chapter is to provide an overview of the following
Session Initiation Protocol (SIP) features on the 5E-XC and 5E DRM:
• “SIP for Packet Trunking” (1-2) (99-5E-8382),
• “UDP Transport Layer for SIP” (1-3) (99-5E-8581),
• “Support for SIP without Preconditions” (1-3) (99-5E-8582),
• “SIP Support for Line to Packet Trunk Calls” (1-3) (99-5E-8583),
• “SIP without Encapsulated ISUP” (1-3) (99-5E-8587), and
• “SIP Enhancements to Support PSTN Gateway Phase 1” (1-3)
(99-5E-8658).
• “DRM IP Trunking” (1-4) (99-5E-8645),
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235-200-118
Issue 3.02B, March 2007
Lucent Technologies
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