Installation guide

6-1 41-001561-00 REV00 – 10.2014
Chapter 6
Configuring Advanced Operational
Features
About this Chapter
The IP phones have advanced operational features you can configure using the configuration files and/or the Mitel Web
UI. This chapter describes each of these features and provides procedures for configuring each feature.
Topics
This chapter covers the following topics:
Top ic 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6-8
Auto-discovery Using mDNS page6-9
Missed Call Summary Subscription page6-9
As-Feature-Event Subscription page6-10
Blacklist Duration page6-12
Whitelist Proxy page6-14
Transport Layer Security (TLS) page6-15
802.1x Support page6-19
Symmetric UDP Signaling page6-23
Symmetric TLS Signaling page6-23
Removing UserAgent and Server SIP Headers page6-24
GRUU and sip.instance Support page6-25
Multi-Stage Digit Collection (Billing Codes) Support (for Sylantro Servers) page6-25
Configurable DNS Queries page6-26
Ignore Out of Sequence Errors page6-27
“Early-Only” Parameter in Replaces Header RFC3891 page6-28
Switching Between Early Media and Local Ringing page6-28
Enable Microphone During Early Media page6-28
Configurable Codec Negotiation Behavior page6-29