Akuvox R20 Series - Basic Setting; 2.2. Network Setting; 2.3. Account; 2.4. Call Setting

3.7.3. DTMF
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23
3.7.4. Call
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24
3.7.5. Session Timer
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25
3.7.6. Encryption
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25
3.8. Time/Lang
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25
3.9. Call Feature
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26
3.10. Voice
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27
3.11. Log
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28
3.11.1. Call Log
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28
3.11.2. Door Log
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28
3.12. Upgrade
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29
3.12.1. Upgrade-Basic
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29
3.12.2. Upgrade-Advanced
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29
3.13. Security-Basic
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30
3.13.1. Web Password Modify
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30
3.13.2. Session time out
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30