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Escene Communication
Call
Do Not Disturb
Enable/Disable Do Not Disturb
Anonymous Call
Enable/Disable anonymous call.
Anonymous Call Rejection
Enable/Disable anonymous call rejection.
Use Session Timer
Enable/Disable refresh session function. The device will send an Invite packet to refresh the
session during a call if it enables.
Session Timer
The refresh session time interval.
Call Method
This method includes SIP and TEL.
DNS-SRV
Enable/Disable DNS-SRV.
Allow-events
Enable/Disable Allow-events.
Registered NAT
Enable/Disable Registered to NAT
UDP Keep-alive Message
The phone periodically sends a UDP packet to keep the port active and to avoid the server to shut
down the port
UDP Keep-alive Interval
Default is 30 second.
5.3 Security
ITEM
DECSRIPTION
Security
SIP Encryption
Enable/Disable SIP encryption.
RTP Encryption
Enable/Disable RTP encryption.
Encryption Algorithm
The encryption algorithm currently we only have RC4.
Encryption Key
The key with encryption.