IP 720 User Manual
33
Appendix A
Specifications
Network
Protocols
•
SIP, RTP, RTCP, TFTP, TCP, UDP, DHCP, DNS, ARP, ICMP,
Telnet
Call Control
Protocols
•
SIP
Audio
Standards
•
Codec: ITU G.711 (PCM), two low bit rate (G.723.1 and G.729A
/ G.729AB)
•
Acoustic Echo cancellation supporting high-quality
speakerphone
•
Full-duplex
Keypad
Features &
Handset
•
12 standard dialing keys: 0-9, *, #
•
16 feature keys: Redial, Hang-up/Release, Hold, Intercom,
Speaker, Mute, Headset, Flash, Speed dial, Transfer, Conference,
Speaker, Voicemail, Voicemail greeting selection, Activity,
Volume control.
•
15 Function keys: can be set to Busy Lamp Field, AltiServ
feature code, speed dial, line park, call recording, workgroup
status.
•
Adjustable Speaker/Ring/Handset/Headset volume control
LCD
•
4 x 20 Character LCD Display
•
Provide features such as time, calling party name, calling party
number, digits dialed, extension number, number of new voice
mails, DND/FWD, missed calls, and system information.
LED
•
Hold, Mute, Speaker, Conference, Headset, Intercom.
•
Message waiting indicator
LAN
•
2 Standard 10/100/1000 Base-T RJ-45 Ports: One for network to
phone connection, and one switch port for connection from
phone to PC
Memory
•
Flash ROM: 4M, stores boot ROM, software imaging and
configuration data, DSP images.
•
DRAM: 8M, stores runtime program and data.
Summary of Contents for 720
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