Specifications

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Title Explanation
Key The share key for communications between Radius client and standby
Radius server.
Note: the key should be configured the same for both client and server
side
Retransmit timer Set the amount of overtime on response after transmission of Radius
message, the default is 3 seconds. The retransmission will be performed
If no response is given after the timeout.
Retransmit times Set the times of retransmission of Radius message when no response is
received default is 3 times.
CDR type
l Outbound: Set whether to send RADIUS charge message for
outbound calls;
l Inbound: Set whether to send RADIUS charge message for inbound
calls;
l Answered: Set whether to send RADIUS charge message when calls
are connected;
l Unanswered: Set whether to send RADIUS charge message for
unanswered calls.
2.6.7 Encryption
After login, click the label of “Advanced > Encryption” to open this interface.
Figure 2-18 Encryption configuration interface
Table 2-22 Encryption configuration parameters
Title Explanation
Singnaling encrypt Choose whether to encrypt signaling. By default, this is not selected.
T.38 encrypt Choose whether to encrypt T38 data. By default, this is not selected.
RTP encrypt Choose whether to encrypt RTP voice pack, the default is “0”
l 0: None（not to activate)；
l 1: RTP（fully encryption to RTP package)；
l 2: RTP Header（only encrypt RTP header)；
l 3: RTP Body（only encrypt RTP payload)；
l 13: Encrypt with Normal specific algorithm.