AASTRA 6700i series, 9143, 9480i, 9480i CT SIP Administrator Guide EN - Manual (Page 628)

41-001343-01 Rev 03, 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