6
Call Forward
Caller ID
3-way conference
Web Browser
Console/Telnet
Keypad
DTMF
Firmware Upgrade
DTMF RELAY
DTMF RFC 2833
DTMF SIP Info
SIP Server
TFTP
HTTP
FTP
Support two SIP server working at
the same time
Provide a Backup SIP Server
2
Handset key of 3300IP-TRM
2.1 Function table of keystroke
1
2
3
4
5
6
7
8
9
10
1
、
Softkey1 key
2
、
Softkey2 key
3
、
Softkey3 key
4
、
LCD Screen
5
、
Dial Pad
6
、
SEND & # key
7
、
Redial key
8
、
Up key
9
、
Down Key
10
、
Hold key
