| 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 | -30°C to +65°C |
| Storage Temperature | -40°C to +75°C |
