NT32I Technical Reference and User Guide
2
Specifications of NT32I
Codecs
•
G.711A
•
G.711U
•
G.723
•
G.726 16 Kbps
•
G.726 24 Kbps
•
G.726 32 Kbps
•
G.726 40 Kbps
•
G.729
G.723 Ratio
•
5.3
Kbps
•
6.3
Kbps
LAN Protocols
•
SIP
v2.0
•
IP/TCP/UDP/RTP/RTCP/ICMP/ARP/RARP/SNTP
•
TFTP
Server
•
DHCP/DNS/SNTP
Client
•
HTTP
Server
•
Static/DHCP IP Assignment
•
NAT
transversal
-
STUN - NAT
DTMF
•
In-Band
•
Out-of-Band
DTMF
(RFC2833)
•
SIP
Info
Voice Quality
•
VAD – Voice Activation Detection
•
AGC – Automatic Gain Control
•
AEC– Acoustic ECHO Cutter
•
Jitter
Buffer
Tones
•
Ring tones – 5 different ringtones
•
Changeable and installable ringtones
•
Warning tone on busy
Power
•
5 VDC adaptor
Phone Functions
•
Message and Call displayer
•
Remote SIP registration – Ability to register to 3 different
registration servers. (Sequentially registration or
registration to selected registration server)
•
Recorded user settings
•
Call Records (128 records are kept for each of Missed,
incoming and outgoing. Last 32 call records are kept for
every extension.)
•
Full duplex speaker
•
2 internal 10/100 Ethernet switch ports
•
Speed Dial / 6 + 24 (with DSS module)
•
Phonebook – 128 numbers
•
Hour/Day/Week/Month/Year
basis 8 different periodical
alarm, alarm message or name definitions.
