Yealink SIP-T2 Series, Руководство администратора

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About This Guide
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Chapter 9, “ Appendix ” provides the glossary, reference information about IP
phones compliant with RFC 3261 , SIP call flows and the sample configuration files.
This section describes the changes to this guide for each release and guide version.
Documentations of the newly released SIP-T27G IP phones have been added.
Major updates have occurred to the following sections:

Transport Layer Security on page 822
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Appendix C: Trusted Certificates on page 908
The following section is new for this version:

Onscreen Keyboard Input Method Customization on page 197
Major updates have occurred to the following sections:

Reading Icons on page 39
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Obtaining Configuration Files and Resource Files on page 52
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Configuring Transmission Methods of the Internet Port and PC Port on page 87
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Wi-Fi on page 131
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Customizing Softkey Layout Template File on page 212
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Customizing a Local Contact File (Color Screen Phones) on page 263
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Recent Call In Dialing on page 408
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Bandwidth on page 473
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External Monitor on page 479
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Shared Call Appearance (SCA) on page 538
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VQ-RTCPXR on page 677
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Sending Volume on page 763
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Audio Codecs on page 766
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Video Codecs on page 800