Bedienungsanleitung Aastra Telecom Dialog 4000

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

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Dialog 4425 IP V ision Dialog 4422 IP O ffic e v ersion 2 v ersion 2 Features Excellent Voice Quality and Telephony Services • Easy mig r a tion t o IP t elephon y • Suppor t f or A astr a MX - ONE™, BusinessP hone , and MD Evolution telephony systems • Elegan t desig n and super ior er gonomics • Speaker f or monit or ing calls and list ening t o t elephon y • C omplianc e with en vir onmen tal standar ds ser vic es (f or e xample , in t er ac tiv e v oic e sy st ems , new s and • E

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Dialog 4420 IP Basic is positioned as an entry-level IP telephone, primarily intended for use in non-communications-intensive ar eas such as offic e r ec eption ar eas , gener al meeting/ser vic e areas, manufacturing and retail shop floors. Dialog 4422 IP Office is a mid-range IP telephone, offering the func tionalit y needed f or users w or k ing in high- efficienc y business environments. It is also well-suited as a convenience phone in public/ser vic e ar eas . Dialog 4425 IP Vision is

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Common Features Common Features Programmable keys RFC Name Content F unc tion key s with LEDs R F C 2 3 2 7 Session Description P r ot oc ol H T T P A u t h e n t i c a t i o n : B a s i c Basic authen tica tion RFC 2617 Power and Digest Authentication not applicable f or SIP P o w er o v er E thernet (P oE), IEEE 802.3af . P o w er Class 1 48 V DC R F C 2 8 3 3 D TMF Optional po w er adapt er – input 100 – 230 V A C U s e d f o r s e n d i n g D T M F R F