User manual

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4.3.4. Phone ................................................................................................................................... 40
4.3.5. Maintenance ........................................................................................................................ 47
4.3.6. Security ............................................................................................................................... 52
4.3.7. Logout ................................................................................................................................. 58
4.4. Configuration via Keypad .......................................................................................... 59
4.4.1. Keypad introduction .......................................................................................................... 59
4.4.2. Menu Tree ........................................................................................................................... 59
5. Appendix .................................................................................................................. 61
5.1. Specification ................................................................................................................ 61
5.1.1. Hardware ............................................................................................................................ 61
5.1.2. Voice features ..................................................................................................................... 61
5.1.3. Network features ................................................................................................................ 62
5.1.4. Maintenance and management ......................................................................................... 62
5.1.5. Special features ................................................................................................................... 62
5.2. Digit-character map table .......................................................................................... 62