Aastra Telecom 53I 사용자 설명서
41-001160-00, Release 2.1 Rev 04
ix
Contents
Chapter 6
Configuring Advanced Operational Features
Configuring Advanced Operational Features
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About this chapter ...........................................................................................................6-1
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Advanced Operational Features .....................................................................................6-3
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Description ...............................................................................................................6-3
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MAC Address/Line Number in REGISTER Messages .............................................6-5
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SIP Message Sequence for Blind Transfer ..............................................................6-7
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Update Caller ID During a Call .................................................................................6-8
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Boot Sequence Recovery Mode ..............................................................................6-9
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Auto-discovery Using mDNS ..................................................................................6-10
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Single Call Restriction (57i CT only) ......................................................................6-11
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Missed Call Summary Subscription .......................................................................6-13
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Blacklist Duration (Broadsoft Servers) ...................................................................6-17
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Whitelist Proxy .......................................................................................................6-19
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Transport Layer Security (TLS) ..............................................................................6-21
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Symmetric UDP Signaling ......................................................................................6-27
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Removing UserAgent and Server SIP Headers .....................................................6-28
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Multi-Stage Digit Collection (Billing Codes) Support (for Sylantro Servers) ...........6-29
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Chapter 7
Encrypted Files on the IP Phone
Encrypted Files on the IP Phone
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About this chapter ...........................................................................................................7-1
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Encrypted Files on the IP Phone ....................................................................................7-2
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Configuration File Encryption Method ......................................................................7-2
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Procedure to Encrypt/Decrypt Configuration Files ...................................................7-3
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Chapter 8
Upgrading the Firmware
Upgrading the Firmware
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About this chapter ...........................................................................................................8-1
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Upgrading the Firmware .................................................................................................8-2
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Manual Firmware Update (TFTP only) .....................................................................8-2
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Manual Firmware and Configuration File Update .....................................................8-4
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Automatic Update (auto-resync) ..............................................................................8-6
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......................................................................................................................................8-10
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