Aastra Telecom SISIP 57I CT - Manual (Page 299)

41-001160-00, Rev 01 Release 2.0 6-1
Advanced Operational Features
Chapter 6
Advanced IP Phone
Operational Features
About this chapter
Introduction
The IP phones have advanced operational features you can configure using the
configuration files and/or the Aastra Web UI.
This chapter describes each of these features and provides procedures for
configuring each feature.
Topics
This chapter covers the following topics:
Topic Page
Advanced Operational Features page 6-2
MAC Address/Line Number in REGISTER Messages page 6-3
SIP Message Sequence for Blind Transfer page 6-5
Update Caller ID During a Call page 6-6
Boot Sequence Recovery Mode page 6-7
Auto-discovery Using mDNS page 6-8
Single Call Restriction (57i CT only) page 6-9