HUACAM HCV824 - Manual (Page 24)

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• Steam: Which stream used for SIP call.
• Preferred Vocoder: Audio codec used for SIP call (NOTE)
• Registration Expiration: Registration expiration time, default 3600 seconds
• Local SIP Port: Local SIP port, default 5060
• Local RTP Port: Local RTP port for media, default 5004
• Auto on hook Timer: Auto On Hook timer, default 300 seconds
• Disable Audio in SIP Call: Checked to disable audio for SIP call
• Enable Keep Alive: Checked to enable, help NAT resolution
• Accept Direct IP Call: Check to accept peer to peer IP call.
Figure 8-2: SIP Setting Page
• Enable White List Number Filter: Check to allow only white list number to call in, for security
• Enable Dual-way Audio Warning: Check to enable two-way audio warning.
• Phone List/Phone Number: Callee or call receiver number when alarm call trigged.
• White List/Phone Number: Phone numbers allowed to call into the camera.