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maximum heartbeat timeout, signaling transmission mode, and stream transmission mode.
SIP server 1: Set the SIP 1 server number, IP, domain, port, and registration password.
SIP server 2: Set the SIP 2 server number, IP, domain, port, and registration password.
Multicast settings: set multicast ports and multicast addresses.
Channel/alarm: set channel number, alarm level, alarm number and alarm level.
4.16 Multicast Config
Multicast is disabled by default. After enabling, you can set the IP address, port, and
TTL of the multicast main code stream, sub code stream, and audio.