2N VoiceBlue Next v3.4 - Manual (Page 103)

103
2N TELEKOMUNIKACE a.s., www.2n.cz
®
5. Technical Parameters
Two-Channel Version
Dimensions
Dimensions (W
x H x D)
170x130x45 mm
Power Supply
Type
External power adapter (SELF type) 90–230V,50–60Hz to 12V DC 2A
Power over Ethernet (PoE 802.3af)
Connector DC Jack 2.1mm
Power input Up to 20W
Interface
Protocols TCP, UDP, IP, RTP, TELNET, http, DHCP
Connector 1x 10/100BaseT Ethernet
Administration AT commands, web interface
VoIP
Signalling SIP
DTMF RFC2833
Count of voice
channels
2
Voice codecs G.711 PCM at 64 kbps G.729 Annex AB
PCM
companding
A–law/u–Law (optional)