China Flush Mounted Hands Free Elevator Call Box, Flush-Panel Telephone for Lift, Metro, Find details about China Flush Mounted Telephone, Flush-Panel Telephone from Flush Mounted Hands Free Elevator Call Box, Flush-Panel Telephone for Lift, Metro
Operating Temperature | -30°C to +65°C |
Storing Temperature | -40°C to +75°C |
Adapter(Input/Output) | Input:100-240VAC 50~60Hz Output:5V/1A |
Power Consumption | Idle:1.5W/Active:1.8W |
Ringing Tone | Shrill warble tone 80 dBA @ 1 metre typical |
M.T.B.F. | Calculated to have an M.T.B.F. in excess of 50,000 hours using |
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) |