Teledex E Series - Manual (Page 11)

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
E SERIES VoIP USER GUIDE www.teledex.com 11