Akuvox R20 Series User Manual

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Prevent Hacking: If enabled, it will prevent sip message from
hacking
3.7.5. Session Timer
If enabled, the on going call will be disconnected automatically
once the session expired unless it’s been refreshed by UAC or
UAS.
3.7.6. Encryption
If enabled, voice will be encrypted.
3.8. Time/Lang
Go to Phone->Time/Lang, to select local Time Zone for NTP
server.

Akuvox R20 Series Specifications

General

Brand	Akuvox
Model	R20 Series
Category	Intercom System
Language	English