C319 Series Indoor Monitor Administrator Guide
14.4
Voice Encryption
The encryption function provides you with greater security for the intercom call. The indoor
monitor supports three modes of voice encryption: SRTP(Compulsory), SRTP(Optional),
ZRTP(Optional) on web Account > Advanced > Encryption interface.
Parameter Set-up:
•
Voice Encryption: select encryption mode from four options. If you select Disable,
the call will not be encrypted. SRTP(Compulsory), all audio signals (technically
speaking it is RTP streams) will be encrypted to improve security. SRTP(Optional),
encrypts voice from the called party, if the called party also enables SRTP, the voice
signals will also be encrypted. ZRTP(Optional) is the protocol that the two parties
use to negotiate the SRTP session key.
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