52
z
Echo cancellation
:
Support G.168 and hand-free can support 96ms
z
Support VAD
,
CNG
z
NAT transverse: support STUN
z
Supports full duplex.
z
SIP support SIP domain
,
SIP authentication
(
none
,
basic
,
MD5
),
DNS name of server, peer to peer
z
SIP support Pubic & Private server, user can through each server to calling in and out
z
DTMF
:
SIP info
,
DTMF Relay
,
RFC2833
z
SIP application: contain SIP call forward/transfer/holding/waiting/3 way conference/Paging and
intercom/ click to dial/pickup/ joincall/redial/unredial.
z
Call control features: Flexible dial map, support hotline, empty calling no. reject server, black list for
reject, authenticated call, no disturb, caller ID and so on.
z
Support phonebook 500 records, incoming calls / outgoing calls / missing calls. Each supports 100
records
z
support conference call in server
z
Could dial use private server automatically when public server unregistered while private server is
resgistered successfully
z
Phonebook supports VCard standard
z
Support 12/24 time format.
z
12/24 hours time display
z
Support daylight saving time
z
Support path, gruu
z
Support SIP Privacy.
5.1.3. Network Features
z
WAN/LAN: support Bridge and Router mode.
z
Support basic NAT and NAPT
z
Support PPPoE for xDSL
z
support VLAN
z
Support NAT penetration, and Stun penetration
z
Support DMZ
z
Support VPN( L2TP. UDP)
z
Support DHCP get IP on WAN port
z
Support DHCP distribute IP on LAN port
z
Qos supports Diffserv.
z
support network tools: contain ping
,
trace route
,
telnet client
5.1.4. Maintenance and Management
z
The phone supports post mode, can update firmware by post mode.
z
Supports different levels of administration.
z
Support Boot Monitor
z
Can upgrade firmware through boot monitor
z
access with different authority
z
support auto provisioning
z
Can config through Web, Keypad, Telnet
z
Can upgrade firmware and configuration file through HTTP, FTP, TFTP
z
Support syslog
5.2. Digit-character map table
Button
Character
Button
Character
1 @
7 P Q R S p q r s
2 A B C a b c
8 T U V t u v