About This Chapter - Mitel 6867i Administrator's Manual

Mitel 6800 Series SIP Phone Release 4.2.0 Administrator Guide

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:
TOPIC
Advanced Operational Features
• TR-069 Support
• MAC Address/Line Number in REGISTER Messages
• SIP Message Sequence for Blind Transfer
• SIP Settings for Semi-Attended Transfers
• Update Caller ID During a Call
• Boot Sequence Recovery Mode
• Auto-discovery Using mDNS
• Missed Call Summary Subscription
• As-Feature-Event Subscription
• Blacklist Duration
• Whitelist Proxy
• Transport Layer Security (TLS)
• 802.1x Support
• Symmetric UDP Signaling
• Symmetric TLS Signaling
• Removing UserAgent and Server SIP Headers
• GRUU and sip.instance Support
• Multi-Stage Digit Collection (Billing Codes) Support (for Sylantro Servers)
• Configurable DNS Queries
• Ignore Out of Sequence Errors
• "Early-Only" Parameter in Replaces Header RFC3891
• Switching Between Early Media and Local Ringing
• Enable Microphone During Early Media
• Configurable Codec Negotiation Behavior
• "Call-Info" Header to 200ok Responses for Shared Call Appearance (SCA) Lines
• Reason Header Field in SIP Message
• Configurable "Allow" and "Allow-Event" Optional Headers
• Configurable SIP P-Asserted Identity (PAI)
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