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Installation manual 2N® IP Uni
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4. Technical Parameters
Signalling protocol
SIP (UDP, TCP)
Buttons
Button design:
Transparent, white backlit buttons with easily replaceable name tags
Button count:
1 or 2
Audio
Microphone:
1 integrated microphone
Amplifier:
1 W (class D)
Loudspeaker:
1 W
Sound pressure level
(SPL max)
:
77.5 dB (for 1 kHz, distance 1 m)
Volume control:
Adjustable with automatic adaptive mode
Full duplex:
Yes (AEC)
Audio stream
Protocols:
RTP
Codecs:
G.711 (PCMU and PCMA)
Bandwidth
Audio codecs
PCMA, PCMU – 64 kbps (with 85.6 kbps headers)