China Mini Size Elevator Handsfree Telephone, Stainless Steel Elevator Emergency Intercom, Find details about China Elevator Telephone, Emergency Call Box from Mini Size Elevator Handsfree Telephone, Stainless Steel Elevator Emergency Intercom
Analogue Version | |
Power Supply | From the analogue telephone network |
Supply Voltage | 24 VDC to 65 VDC |
Supply Current | 20 mA DC to 100 mA DC |
Ringer Volume | - 80dB(A) at a distance of 1 m - 110dB(A) at a distance of 1 m (for external horn speaker) |
Dialing Method | DTMF mode in accordance with ITU-T recommendation Q.23. |
SIP Version | |
Power Supply | PoE or 12V DC |
Power Consumption | -Idle:1.5W -Active:1.8W |
SIP Protocol | SIP 2.0 (RFC3261) |
Support Codec | G.711 A/U, G.722 8000/16000, G.723, G.729 |
Communication Type | Full duplex |
Ringer volume | - 90~95dB(A) at a distance of 1 m - 110dB(A) at a distance of 1 m (for external horn speaker) |
Ambient conditions | |
Protection type | IP 66 as per EN60529 |
Operating temperature | -40°C to +70°C |
Storage temperature | -45°C to +85°C |