R49G Guard Phone Administrator Guide
AKUVOX SMART INTERCOM
www.akuvox.com
60
12.3.Voice Encryption
The encryption function provides you with greater security for the intercom
call. And R49G support 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
to Disable it, 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.