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Фрагмент инструкции
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. Dialog 4425 IP Vision version 2 Dialog 4425 IP Vision version 2 Features • Easy migration to IP telephony • Elegant design and superior ergonomics • Compliance with environmental standards • Easy operation and maintenance • User mobility (free seating) Models • Dialog 4420 IP Basic • Dialog 4422 IP Office • Dialog 4425 IP Vision Dialog 4422 IP Office version 2 Excellent Voice Quality and Telephony Services • Support for Ericsson 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 shock protection • Quality of service (QoS): Packet prioritization for speech and signaling according to DiffServ. Layer 2 QoS Telephony System Minimum Requirements Ericsson MX-ONE™ Telephony Server 2.0 or Telephony Switch Ericsson MD110 BC12 Service Pack 9 Ericsson BusinessPhone* Version 7.0 Ericsson MD Evolution/EBN Version 8.0 c Ericsson EBG Version 3.1.6 *Ericsson BusinessPhone only supports Dialog 4422 and Dialog 4425. Call Features VoIP Features Emergency call support • DHCP • Fixed number assignment • RTP, IETF RCF 3550 • Monitor speaker • Quality of Service, IEEE 802.1p&q and DiffServ • Mute function • VLAN support IEEE 802.1p&q • Volume control • Support for codecs G.711, G.729a, G.729ab, G.723.1 • Programmable ringtones (max. volume >72dBA) 10 H.323 V4 • Speed dialing • Branch office survivability support • Increased volume for users with impaired hearing • SIP support • Acoustic shock protection: ETS 300 245-2 • Support for encrypted media stream (SRTP) • Dialog 4420 IP Basic Upgradeable With third-generation hardware, we are introducing a new IP platform that is preconfigured for further implementation of advanced functions and features, following the natural evolution of IP telephony. • Support for firmware downloads from web servers – enabling new functionality with future telephony system software releases – making the telephone future-proof • Support for all major voice compression codecs for bandwidth savings 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 telephone with advanced features, including multiple line ha...
Эта инструкция также подходит к моделям:Проводные телефоны - DIALOG 4000 (193.62 kb)