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 Aastra Dialog 4420 Ip Basic |
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| Hardware > Comunicaciones >
VoiP > Terminales-VoIP-fijos > Aastra >
Dialog 4420 Ip Basic
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| 5 teclas programables, 12 teclas de funcion, tono programable |
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| Garantía del fabricante: 2 años SAT (Servicio Técnico) |
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| Características |
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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.
• Easy migration to IP telephony
• Elegant design and superior ergonomics
• Compliance with environmental standards
• Easy operation and maintenance
• User mobility (free seating)
Excellent Voice Quality and Telephony Services
• 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 shock protection
• Quality of service (QoS): Packet prioritization for speech and
signaling according to DiffServ. Layer 2 QoS
Up-to-Date
• SIP can be used with the MX-ONE™ Telephony Server. Features
(such as callback and conference calls) are initiated in the same
way as with analog telephones (suffix dialing).
• Media encrypted with SRTP (Secure Real-Time Transport
Protocol) and signaling 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 4W required. This enables centralized power
supply with the associated capability for power supply backup.
• Compliant with the EU directive for RoHS (Restriction of
Hazardous Substances). |
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| Especificaciones |
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12 function keys with LEDs
5 programmable keys (can be labeled by the user)
Loud speaking function
Programmable ringer, loudness and tone character
Adjustable foot console
Easy to mount on wall
Hearing impaired support with amplification (+6dB)
Acoustic shock protection
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