BusinessPhone Communication Platform 7.0
System Overview ASB 150 02 Release 15 (BusinessPhone 7.0) > Telephone Types > IP-Telephones

## Dialog 4425 IP-Vision, DBC 425

- Metropolitan keyset
- One line access
- 4 menu keys
- 3 navigation keys
- 3 permanent function keys
- 3 permanent function keys with LED
- 19 freely programmable namecall keys
- Flexible graphical six-line display, possible to tilt
- Loudspeaker
- Full duplex hands-free speaker with Acoustic Echo Cancellation (AEC).
- Call List - local with 50 positions
- offering hearing aid support
- Wall mounting possible
- Power to the telephone can be supplied by an external power feeding or an IEEE 802.3af compliant Power Over LAN hub/switch.
- G.711 A-law and u-law, G.723.1, G.729a, G.729ab and GSM-efr voice compression
- RJ-45 connection according to IEEE 802.3, CAT5 cables are recommended.
- 10/100 Mbit/s autosensing according to IEC 802.3
- H.323 compliant
- IP address assignment via Dynamic Host Configuration Protocol (DHCP) or manual entering
- Built-in 2 port Ethernet switch
- Integrated Web server supports a web-interface for easy maintenance from the web browser in your PC
- supporting enhanced IP telephony solution for Branch Offices (enabling e.g. remote survivability)
- Interface for the option unit DBY 420 01

Revision: C © Ericsson Enterprise 2005