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ERICSSON DIALOG 4000 IP TELEPHONES

Dialog 4000 IP telephones are IP 
telephones that harness the combined 
power of customers’ existing data 
networks and Ericsson communications 
systems. Elegant and sophisticated, the 
Dialog 4000 IP is the intelligent solution 
for simplified, cost-effective migration to 
the world of IP telephony. 

Remote upgrading of configurations or software from a 
central location simplifies operation and maintenance. 
Regardless of location, the IP telephones are kept 
constantly up to date with the most current software 
and ready to receive new technical enhancements. 
Dialog 4000 IP telephones comply with all existing 
standard requirements, as well as the latest 
environmental and safety regulations.
Dialog 4000 IP telephones have a number of 
advanced security and safety features. Ease-of-use 
and ease-of-maintenance are focus areas for new IP 
platform development and will continue to be so in 
future feature enhancements.

High-performance telephones for your business

Summary of Contents for DIALOG 4000

Page 1: ...tion simplifies operation and maintenance Regardless of location the IP telephones are kept constantly up to date with the most current software and ready to receive new technical enhancements Dialog 4000 IP telephones comply with all existing standard requirements as well as the latest environmental and safety regulations Dialog 4000 IP telephones have a number of advanced security and safety fea...

Page 2: ...ization for speech and signaling according to DiffServ Layer 2 QoS Call Features Emergency call support Fixed number assignment Monitor speaker Mute function Volume control Programmable ringtones max volume 72dBA 10 Speed dialing Increased volume for users with impaired hearing Acoustic shock protection ETS 300 245 2 VoIP Features DHCP RTP IETF RCF 3550 Quality of Service IEEE 802 1p q and DiffSer...

Page 3: ... areas Dialog 4425 IP Vision is a high end IP telephone with advanced features including multiple line handling and graphical display built to handle all user needs It can also be used in small conference rooms Dialog 4420 IP Basic Product features Ericsson Dialog IP telephones Dimensions HxWxL 92x159x230 mm 92x159x230 mm 102x240x234 mm Function keys with LEDs 12 13 23 Programmable keys 7 7 17 Sup...

Page 4: ...u need technical assistance please contact your local Ericsson service partner A list of certified service partners can be found at www ericsson com Recycling Ericsson Dialog 4000 IP telephones are recyclable Please contribute to the prevention of waste by sending used equipment to environmentally certified processing facilities Ericsson ensures environmentally sound handling and recycling of equi...

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