User`s manual

149
Voice Functions
SIP RFC 3261
MGCP RFC 3435
Codec G.711, G.723.1, G.729ab
RTP RFC 1889
SDP RFC 2327
Caller ID ETSI based
Life line / Emergency call Yes
Echo Cancellation G.168
Silence suppression Yes
Power Supply
External power adapter 100 Vac - 240 Vac to 15VDC / 1.5A
Environmental Conditions
Operating temperature 0 ~ 50 degrees Celsius
Relative humidity 5 ~ 90% (non-condensing)
Dimensions
205 mm (W) x 47 mm (H) x 145 mm (D)
Note: Specifications are subject to change without notice.