Technical Parameters - 2N IP Verso Installation Manual

4. Technical Parameters

Signalling protocol
• SIP (UDP, TCP, TLS)
Buttons
• Button design: white-backlit transparent buttons with replaceable nametags
• Button count: 1 and increments of 5
• Button extenders: up to 29 modules, limited by power supply
• Numeric keypad: optional
Audio
• Microphone: 1 integrated microphone
• Amplifier: 2 W (class D) amplifier
• Speaker: 2 W / 8 Ω
• Sound pressure level (SPL max): 78 dB (for 1 kHz, distance 1 m)
• Output LINE OUT: 1 VRMS / 600 Ω
• Volume control: adjustable with automatic adaptive mode
• Full duplex: yes (AEC)
• Speech transmission index (STI): 0.89
Audio stream
• Protocols: RTP / RTSP
• Codecs: G.711, G.729, G.722, L16/16 kHz
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