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4.1.3. RFID Card Code Display Related ................................................................................................................................. 24
4.2. Intercom ................................................................................................................................................................................. 25
4.2.1. Call Time Related ......................................................................................................................................................... 25
4.2.2. SIP Call Related ............................................................................................................................................................ 25
4.2.3. Codec ........................................................................................................................................................................... 26
4.2.4. DTMF ............................................................................................................................................................................ 28
4.2.5. Session Timer ............................................................................................................................................................... 28
4.2.6. Encryption ..................................................................................................................................................................... 29
4.2.7. NAT ............................................................................................................................................................................... 29
4.2.8. User Agent .................................................................................................................................................................... 29
4.3. Access Control ....................................................................................................................................................................... 30
4.3.1. Web Relay .................................................................................................................................................................... 30
4.3.2. Wiegand ........................................................................................................................................................................ 31
4.4. Security .................................................................................................................................................................................. 32
4.4.1. Anti-alarm ...................................................................................................................................................................... 32
4.4.2. Motion ........................................................................................................................................................................... 32
4.4.3. Action ............................................................................................................................................................................ 33