Assessments - 2, GPA: 5
(
)
)
|
Facilidade de uso
Elegant and sophisticated, the Dialog 4000 IP telephones is the intelligent solution to simplified, cost-effective migration to the world of IP. Ericsson calls it IPerformance. IPerformance means excellent voice quality and telephony services. IPerformance means upgradeable. Remote upgrading of configuration or software simplifies operation and maintenance. The IP telephones are ready to take on coming technical enhancements. IPerformance means up-to-date. The Dialog 4000 IP telephones features all standard requirements demanded today. Latest environmental and safety regulations are implemented. IPerformance means secure. The Dialog 4000 IP telephones are embedded with enhanced security and safety including local office survivability. Ease of use and ease of maintenance are focus areas for the new IP platform development and will continue to be so in future feature improvements. The IPerformance telephones for your business Dialog 4425 IP Vision version 2 Dialog 4422 IP Office version 2 IPerformance features • Easy migration to IP telephony • Elegant design and superior ergonomics • Superior environmental standards • Easy operation and maintenance • User mobility IPerformance telephones • Dialog 4420 IP Basic • Dialog 4422 IP Office • Dialog 4425 IP Vision Excellent voice quality and telephony services • Support for Ericsson MX-ONE™, BusinessPhone, and MD Evolution telephony systems • Speaker for monitoring, e.g. to listen to tele-services (e.g. interactive voice system, news or weather forecast). • Equipped with hearing aid support and acoustic shock protection • Quality of Service: packet prioritization for speech and signaling according to Diffserv. Layer 2 quality of service. Calling features Emergency call support • Fixed number assignment • Monitor speaker • Mute function • Volume control • Programmable ring tones (max. volume >72dBA) 10 Speed dialing • Increased hearing level for users with impaired hearing • Acoustic chock protection: ETS 300 245-2 • VoIP features DHCP • RTCP, IETF RCF 3550 • Quality of Service IEEE 802.1p&q and Diffserv • VLAN support IEEE 802.1p&q • Support for codecs: G.711, G.729a, G.729ab, G.723.1 • H.323 V4 • Branch office survivability support • Prepared for SIP support • Minimum PBX requirements Communication system MX-ONETM Telephony System MD110 BusinessPhone MD Evolution/EBN Ericsson EBG Minimum requirement Telephony Server 2.0 or Telephony Switch BC12 Service Pack 9 Version 7.0 Version 8.0 c Version 3.1.6 Up-to-date • Security authentication against a RADIUS server using EAP protocol (IEEE 802.1x) • Support for remote site survivability, for branch offices equipped with Ericsson Branch Gateway (EBG) • PoE power class 1 (Power over Ethernet IEEE 802.3af). Enabling centralized power supply – and thereby also power supply back up possibility. The telephones will automatically identify for less than 4W. • Compliant with the EU directive on Restriction of Hazardous Substances (RoHS) Dialog 4420 IP Basic is positioned as the entry-level IP telephone primarily intended for use in non communications-intensive areas like office receptions, general meeting/service areas, manufacturing and retail floors. Dialog 4422 IP Office is the mid-range IP telephone offering functionality needed for users working in an efficient business environment. It is also well suited as a convenience phone in public/service areas. Dialog 4425 IP Vision is the high-end IP telephone with advanced features including multiple line handling and graphical display built to handle users every need. 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 LED 12 13 23 Programmable keys 7 7 17 Support for extra key panel with 17 keys – 1 4 User mobility: log on and call – • • Hands free speaker, full duplex/AEC – • • Headset port and key – • • Programmable ringer tones • • • Option unit, support for external bell or busy signal – • • Call list – • • Personal Contacts (up to 1000) – • • Graphical Display, LCD – 128x25 pixel 320x80 pixel Adjustable viewing angle – • • Adjustable contrast – • • Back light – – • Internet browser – – • Central corporate directory – – • 4420 IP Basic 4422 IP Office version 2 4425 IP Vision version 2 Upgradeable With the 3rd generation hardware, we also introduce a new IP platform prepared for further implementation of advanced functions and features, following the natural evolution of the IP world • Support for firmware download from a web server – enabling new functionality with coming telephony system software releases – making the telephone future proof • Support for all major voice compression Codec’s enabling bandwidth saving • Prepared for encrypted signaling and media EN/LZT 102 3849-RB © Ericsson Enterprise AB, 2006 Ericsson Enterprise AB SE-126 25 Stockholm Subject to alterations without notice. Produced in Swede...