Ericsson DIALOG 4000 دليل المستخدم

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ERICSSON DIALOG 4000 IP TELEPHONES
High-performance telephones for your business
Remote upgrading of configurations or software from a
Dialog 4000 IP telephones are IP
central location simplifies operation and maintenance.
telephones that harness the combined
Regardless of location, the IP telephones are kept
constantly up to date with the most current software
power of customers’ existing data
and ready to receive new technical enhancements.
networks and Ericsson communications
Dialog

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Dialog 4425 IP Vision version 2 Dialog 4422 IP Office version 2 Features Excellent Voice Quality and Telephony Services • Easy migration to IP telephony • Support for Ericsson MX-ONE™, BusinessPhone, and MD Evolution telephony systems • Elegant design and superior ergonomics • Speaker for monitoring calls and listening to telephony • Compliance with environmental standards services (for example, interactive voice systems, news • Easy operation and maintenance and weather forecasts) • User mob

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Dialog 4420 IP Basic is positioned as an entry- level IP telephone, primarily intended for use in non-communications-intensive areas such as office reception areas, general meeting/service areas, manufacturing and retail shop floors. Dialog 4422 IP Office is a mid-range IP telephone, offering the functionality needed for users working in high-efficiency business environments. It is also well- suited as a convenience phone in public/service areas. Dialog 4425 IP Vision is a high-end IP tele

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Common Features Environmental Conditions Programmable keys Operating temperatures +5° – +45°C Function keys with LEDs Storage temperatures +/-0°– +70°C Relative humidities 5 – 90% Power Power over Ethernet (PoE), Regulatory Compliance IEEE 802.3af. Power Class 1 48 V DC Acoustic shock protection: ETS 300 245-2 Optional power adapter – input 100 – 230 V AC Hearing aid compatibility: ITU-T P.370 (8/96) – output 24 V AC and FCC; Part 68, Subpart D American Average consumption using PoE