User's Manual

User Manual 2 Product Overview
9
Item Specification
Supporting the upgrade of the NAT-friendly remote
software (through TFTP or HTTP) for the devices that are
deployed behind the firewall or the NAT
Device management
Supporting the address book function
Handset, Hands-free, and headset modes in full duplex
Advanced DSP
Dynamic negotiation of codec and voice payload length
HD Voice
Supporting the G.723.1 (6.3K or 5.3K), G.729A/B, G.711
ยต/A, G.726-32K, G.722 (broadband), and iLBC CODECs
In-band and out-of-band DTMF (in audio, RFC2833, or SIP
INFO mode)
Echo Cancellation
Audio features
Supporting the sidetone cancellation, advanced jitter buffer
control, and packet delay and loss concealment.
Telephony features
Intuitive GUI, download of the phone book (XML), voice
mail indicator, download of custom ring tones
Call holding, call transferring (attended/blind),
Do-Not-Disturb, call forwarding, call waiting, call waiting
mute, redial, call log, volume control, caller ID display,
multi-party conference call, dialing with a prefix, off-hook
autodial, automatic answer, and dialing.
Supporting manual configuration for static network through
keyboard and LCD, or by logging in to the Web page.
Dynamic network parameters are provided by the DHCP
server.
Supporting NAT traversal by using IETF STUN and
symmetric RTP
Supporting AES-based IP phone configuration file update
Supporting unified IP phone configuration through the
BroadSoft XML Provision server
Supporting 802.1x-based network accessing authentication
Network and
provisioning
Supporting the IEEE 802.1p/q tagging (VLAN) and Layer 3
ToS protocols