Signaling
protocols: SIP, MGCP and H323/H450
Capability to switch from one protocol-based software to another Automatic provisioning
and firmware upgrade via DHCP/TFTP
or FTP User-friendly
web interface for configuring the phone
Full graphic display
Built-in high quality speakerphone
4 color backlit programmable keys
Two 10/100baseT auto-sensing Ethernet LAN ports
Integrated real true switch with automatic MDI-MDIX crossover
Power over the LAN
(complies to IEEE 802.3af standard) orlocal
power supply. 5 display
languages of which 1 downloadable
Downloadable RTTTL melodies and logos
Call lists and call log
Private and common directory (local or remote)
Comprehensive services compliants with H323/H450 andMGCP
protocols* User-friendly
integrated web server
Two-line alphanumeric display
Built-in full duplex speakerphone with echo cancellation 3 way conferencing (no
external MCU needed)
Integrated real true switch with automatic MDI-MDIX crossover
(swissvoice IP20)
Multiple power options: over the LAN (IEEE 802.3 af standard)
or local external power supply
5 display languages of which 1 downloadable
Downloadable RTTTL melodies
NAT traversal support
A variety of Quality of Service capabilities
Audio voice coders: G711, G723.1, G729a
ISDN
Signaling
protocols: SIP, MGCP and H323/H450