Aastra Dialog 4422ip Aastra Dialog 4400 IP Telephones, datasheet - Page 1

Aastra Dialog 4400 IP Telephones The Aastra Dialog 4400 IP telephones harness the combined power of customers' existing data networks and Aastra communication systems. Elegant and sophisticated, the Aastra Dialog 4400 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. The Aastra Dialog 4400 IP telephones comply with all existing standard requirements, as well as the latest environmental and safety regulations. Dialog 4400 IP telephones have a number of advanced security and safety features. Ease-of-use and ease-ofmaintenance are focus areas for new IP platform development and will continue to be so in future feature enhancements. Models Dialog 4420 IP Basic Dialog 4422 IP Office *) Dialog 4425 IP Vision *) *) Supports extra key panel(s) Highlights Easy migration to IP telephony Support for all major voice compression codecs for bandwidth saving Elegant design and superior ergonomics Compliance with environmental standards Easy operation and maintenance Firmware upgradable from web server enabling upgrade of new functionality User mobility (free seating) Support for Aastra MX-ONE, BusinessPhone and MD Evolution telephony systems Speaker for monitoring calls and listening to telephony services (for example, interactive voice systems, news and weather forecasts) Equipped with hearing aid support and acoustic chock protection Quality of Service (QoS): Packet prioritization for speech and signalling to DiffServ. Layer 2 QoS Media encrypted with SRTP (Secure Real-time Transport Protocol) and signalling with TLS (Transport Layer Security) Security authentication with RADIUS servers using EAP (Extension Authentication Protocol), IEEE 802.1x PoE (Power over Ethernet) IEEE 802.3af, Power Class 1, which means less than 4 W is required. This enables centralized power supply with the associated capability for power supply back up Compliant with the EU directive for RoHS (Restriction of Hazardous Substances)