UAS Core

In SIP, the UAS core is

RFC 3261, section 6

[t]he set of processing functions required at a UAS that resides above the transaction and transport layers.

Excerpts from RFCs and Internet Drafts: Copyright © The Internet Society. All Rights Reserved.
All other material is copyrighted by the contributing authors and licensed to the public under the GNU Free Documentation License (GFDL).
For more information, please see the Copyright page.