Aastra Telecom 55I, 57I CT, 53I manual Chapter Configuring Advanced Operational Features

Chapter 6

Configuring Advanced Operational Features

About this chapter	6-1
Advanced Operational Features	6-3
Description	6-3
MAC Address/Line Number in REGISTER Messages	6-5
SIP Message Sequence for Blind Transfer	6-7
Update Caller ID During a Call	6-8
Boot Sequence Recovery Mode	6-9
Auto-discovery Using mDNS	6-10
Single Call Restriction (57i CT only)	6-11
Missed Call Summary Subscription	6-13
Blacklist Duration (Broadsoft Servers)	6-17
Whitelist Proxy	6-19
Transport Layer Security (TLS)	6-21
Symmetric UDP Signaling	6-27
Removing UserAgent and Server SIP Headers	6-28
Multi-Stage Digit Collection (Billing Codes) Support (for Sylantro Servers)	6-29
Chapter 7
Encrypted Files on the IP Phone
About this chapter	7-1
Encrypted Files on the IP Phone	7-2
Configuration File Encryption Method	7-2
Procedure to Encrypt/Decrypt Configuration Files	7-3
Chapter 8
Upgrading the Firmware
About this chapter	8-1
Upgrading the Firmware	8-2
Manual Firmware Update (TFTP only)	8-2
Manual Firmware and Configuration File Update	8-4
Automatic Update (auto-resync)	8-6
......................................................................................................................................	8-10

Contents

41-001160-00, Release 2.1 Rev 04 ix