Functions
•
Support
failover connection to a redundant
SIP server
•
Support
NAT (Network Address Translation),
Firewall
•
Support
DHCP for phone to accept IP via WAN
port or assign IP address via LAN port
•
Support
PPPoE (used when connecting the
ADSL or cable modem)
•
Update
the firmware and/or configuration file
program through HTTP, FTP, and TFTP
•
Hold
function
•
Hotline
function (dial a specific number as
soon as going off-hook or set a delay before
dialing)
•
Speed-dial
•
Call-forward,
Three-way conference call (in
select 2-line models)
•
Caller
ID display
•
DND
(Do Not Disturb), Black List, Limit List
•
Auto-answer
•
Program
settings through a standard web
browser
•
Remote
management functionality via Telnet
•
Classification
management for common
user’s password and superuser’s password
Standards and Protocols
•
IEEE
802.3 / 802.3 u 10 Base T / 100 Base TX
•
PPPoE
•
DHCP
Client and Server
•
Support
G.711a/u,G729, G7231 5.3/6.3 audio
Codec
•
SIP
RFC3261, RFC 2543
•
Support
IAX2
•
TCP/IP:
Internet transfer and control protocol
(Transport Control Protocol/Internet Protocol)
•
RTP:
Real-time Transport Protocol
•
RTCP:
Real-time Control Protocol
•
VAD/CNG
save bandwidth (Voice Activity
Detection)
•
Telnet:
Remote login protocol
•
DNS:
Domain Name Server
•
TFTP:
Trivial File Transfer Protocol
I SERIES V oIP USER GUIDE
www.teledexeurope.com
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