Aastra Telecom Dialog 4000 IP Phone User Manual


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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Oce
• Dialog4425IPVision
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DiServ.Layer2QoS
*AastraBusinessPhoneonlysupportsDialog4422andDialog4425.
Telephony System Minimum Requirements
AastraMX-ONE™ TelephonyServer2.0orTelephonySwitch
AastraBusinessPhone* Version7.0
AastraMDEvolution/EBN Version8.0c
Call Features
Emergency call support
Fixed number assignment
Monitorspeaker
Mutefunction
Volumecontrol
Programmableringtones(max.volume>72dBA) 10
Speeddialing
Increased volume for users with impaired hearing
Acousticshockprotection:ETS300245-2
VoIP Features
DHCP*
RTP,IETFRCF3550t
QualityofService,IEEE802.1p&qandDiServ
VLANsupportIEEE802.1p&q
SupportforcodecsG.711PLC,G.729a,G.729ab,G.723.1
H.323V4
Branchocesurvivabilitysupport
SIPsupport
Supportforencryptedmediastream(SRTP)
*Dialog4420IPBasicrequiresDHCP.FixedIPaddressisnotsupportedonthisspecicmodel.
Dialog4425IPVision
version2
Dialog4422IPOce
version2
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