Data Plan
Enter the amount of usable data and select the unit.
Pre-Alarm Threshold
When the used data reaches the set percentage of data plan, the device sends an alarm
message, and shows notification on the OSD or pop-up window.
4. Select Normal Linkage.
If Send Email or Notify Surveillance Center is selected, the device sends an alarm message by
Email or to surveillance center when the used data reaches the threshold.
5. Click Save.
Note
The function varies with different device models.
10.15 Set SRTP
The Secure Real-time Transport Protocol (SRTP) is a Real-time Transport Protocol (RTP) internet
protocol, intended to provide encryption, message authentication and integrity, and replay attack
protection to the RTP data in both unicast and multicast applications.
Steps
1. Go to Configuration → Network → Advanced Settings → SRTP .
2. Select Server Certificate.
3. Select Encrypted Algorithm.
4. Click Save.
Note
Only certain device models support this function.
●
If the function is abnormal, check if the selected certificate is abnormal in certificate
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management.
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