用户手册 — AASTRA 57i ct sip ip phone

目录

• General Information

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  • Release Content Information

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  • Hardware Supported

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  • Bootloader Requirements

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• IP Phone Models

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  • Model 53i IP Phone

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  • Model 55i IP Phone

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  • Model 57i IP Phone

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  • Model 57i CT IP Phone

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    • Base Unit

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    • Cordless Handset Features

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• Optional Equipment (for 55i, 57i, and 57i CT only)

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  • Description

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  • Model 536EM Expansion Module (for all models)

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  • Module 560EM Expansion Module (for 57i and 57i CT only)

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• Changes in 2.0.1, Build 2000

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  • Description

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  • Daylight Savings Time Change

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    • New Federally Mandated Daylight Savings Time (DST) Observance

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    • Setting Time Zone and DST via IP Phone UI (User and Admin)

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    • Setting Time Zone and DST via Configuration Files (Admin only)

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• Contacting Aastra Telecom Support

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