Appendix
Specifications
LAN
Headset connections
Power supply
Power over Ethernet
Power consumption (standby)
Environmental conditions in operation
Language codecs
Quality of Service (QoS)
VoIP protocols
VoIP security
Internet protocols
Further protocols
118
2 port LAN switch: 10 Mbit, 100 Mbit
corded
100–240 V, ~50/60 Hz
PoE, IEEE 802.3af, class 3
4.6 W
±0°C to +45°C,
10% to 95% relative humidity
G.711 μ-law/a-law, G.722, G.726, G.729AB, iLbc
RSVP/DiffServ (RFC2474, RFC2475)
SIP (RFC3261, RFC2543), RTP
SRTP (RFC3711), TLS (RFC2246), SIPS
IPv4 (RFC0791), IPv6(RFC2460)
STUN, ICE, TCP, DHCP