Technical parameters, Signalling protocol, Buttons – 2N Helios IP Uni User Manual
Page 22: Audio, Audio stream, Interfaces
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4. Technical Parameters
Signalling protocol
SIP (UDP)
Buttons
Button design
Transparent, white backlit buttons with easily replaceable
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name tags
Button count – 1 or 2
Audio
Microphone
1 integrated microphone
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Amplifier
1W (class D)
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Loudspeaker
1W
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Volume control
Adjustable with automatic adaptive mode
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Full duplex
Yes (AEC)
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Audio stream
Protocols
RTP/RTSP
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Codecs
G.711
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Interfaces
Power supply
12V+-15%/1A DC or PoE
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PoE
PoE 802.3af (Class 0 - 12.95W)
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LAN
10/100BASE-TX s Auto-MDIX, RJ-45
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Recommended cabling
Cat-5e or higher
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Passive switch
NO and NC contacts, up to 30V/1A AC/DC
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