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41-001343-01 Rev 02, Release 3.2.2
6-1
Chapter 6
Configuring Advanced
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 6-3
TR-069 Support
page 6-5
MAC Address/Line Number in REGISTER Messages
page 6-5
SIP Message Sequence for Blind Transfer
page 6-7
SIP Message Sequence for Semi-Attended Transfer
page 6-7
Update Caller ID During a Call
page 6-8
Boot Sequence Recovery Mode
page 6-9
Auto-discovery Using mDNS
page 6-10
Single Call Restriction (6757i CT and 9480i CT only)
page 6-11
Missed Call Summary Subscription
page 6-13
As-Feature-Event Subscription
page 6-16
Blacklist Duration
page 6-22
Whitelist Proxy
page 6-24
Transport Layer Security (TLS)
page 6-26
802.1x Support
page 6-30
Symmetric UDP Signaling
page 6-38
Removing UserAgent and Server SIP Headers
page 6-39