Aastra Dialog 4420 IP Basic Specification

Aastra Dialog 4000 IP telephones

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  High-performance telephones for your business

Dialog 4000 IP telephones are IP telephones that 

harness the combined power of customers’ existing 

data networks and Aastra 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.