Aastra SIP 53I Administrator's Manual page 9

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
41-001160-00, Release 2.1 Rev 04
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