Comfort Features
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6 SIP identities/accounts
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4 simultaneous connections
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Reliability and constant availability thanks to fallback identities
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Caller ID – display phone numbers and names from the local and central telephone book from the communication server / cloud PBX1
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Call waiting
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Reject calls
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Do-not-disturb (DND) locally via the telephone or centrally via the communication server / cloud PBX1
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Pickup – fetch a call with pre-check
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Call parking / open inquiry1
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Call forwarding/transfer of calls with and without announcement
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Call forwarding via telephone or centrally via the communication server / cloud PBX1
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Call on hold
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Local splitting via telephone or centrally via the communication server / cloud PBX1
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Local 3-party conference calls via telephone or centrally via the communication server / cloud PBX1
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Differentiation of call types through distinctive ringtones
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Upload and administration of custom ringtones via the web interface
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Call back on busy – intuitive setup of an automatic call back1
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Convenient management of the most important phone functions via Action URL such as
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Support of IP cameras
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Display of messages send by e.g. alarm servers (SIP messages)2
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Dial plan for complex dialling rules
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Telephone book, 2,000 entries locally in the telephone
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Synchronisation of contact and calendar data via CardDAV and CalDAV (e.g. Apple® iCloud)
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LDAP – access via SSL to central telephone books, such as OpenLDAP or Microsoft Active Directory
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Call lists for 100 missed, selected and accepted calls
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XML browser for displaying central function menus and lists (such as call lists, telephone books)1
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5-way navigation keys
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Function keys for call forwarding/transfer and volume setting
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Function keys including LED signalling for access to the call list, voice mailbox, call on hold, headset operation, hands-free calling / listen-in function and microphone muting1
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20 self-labelling and freely programmable function keys with multi-coloured status signalling, displayed on the screen
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Configuration of custom images as icons for function keys via the web interface or via provisioning
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Busy Lamp Field (BLF) function for displaying the call and busy status of extensions1
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Native OpenVPN support for telephony across all your sites
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Setting your own picture as background on the phone's home screen via provisioning
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Integration of function keys in own applications and processes via Lua templates
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Casing LED for signalling active calls and incoming calls
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Automatic backlight with adjustable brightness and switch-off time
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Microphone muting
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Wall mountable3
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Telephone tilt angle: 30° or 45°
System Features on proprietary Communication Servers
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Group login/logout
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Caller ID – display phone numbers and names from a central telephone book
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Do-not-disturb (DND)
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Pickup – fetch a call
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Call forwarding centrally via the communication server
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Access to the central telephone book incl. display of the provided contact pictures
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Online name search (reverse search)
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Busy Lamp Field (BLF) for displaying the call and busy status of extensions
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Switch central configuration profiles such as day/night switching
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Simplified loading of the system's comfort functions
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Display of the call flow, ideal for multi-company operation2
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Professional intercom functions2
Audio Features
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High voice quality through echo cancellation
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Codecs: G.722 (wideband), G.711 A-law/µ-Law, G.726, G.729, iLBC, Opus, Speex
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Comfort noise generation (CNG)
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Voice activity detection (VAD)
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Full duplex hands-free calling
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22 ring tones
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Ringer, receiver, headset and hands-free volume can be set separately
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Headset connection via RJ-45 for cordless headsets with EHS support and wired headsets
Security
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Password-protected web interface
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HTTPS server/client
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SIPS (RFC 3261) – encrypted signalling
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SRTP (RFC 3711/RFC 4568) – encrypted transfer of voice data
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Transport Layer Security (TLS)
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VLAN (IEEE 802.1q)
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VPN client integrated (IPsec, OpenVPN)
Administration
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Configuration via web browser (HTTPS)
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Mass installation via provisioning server: redirect server | DHCP options 66/67 | configuration update via SIP notify without restarting the telephone | transmission of settings via HTTP/HTTPS/TFTP
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Extended functions for admins (e.g. tracing, user levels, status display)2
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Localisation including language, time, date and sound
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Languages: German, English, French, Greek, Polish, Spanish, Dutch, Italian
Supported Protocols
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DHCPv4 (RFC 2131)
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DHCPv4 Option 60 (Vendor class identifier)
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DHCPv4 Option 66/67 (Hostname/Filename)
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DHCPv4 Option 132/133 (VLAN-ID/VLAN-QoS)
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DNS SRV-RR (RFC 2782)
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STUN (RFC 3489, RFC 5389, RFC 7350)
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HTTP/HTTPS (RFC 2616)
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HTTPS (RFC 2818)
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IPv4 (RFC 0791)
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IPv6 (RFC 2460, RFC 8200)
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IPv6 Dual Stack (RFC 4241)
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IPv6 Dual Stack Lite (RFC 6333)
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IPv6 SLAAC (RFC 4862)
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BLF (RFC 4235)
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LDAP (RFC 4511)
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LDAP over SSL/TLS (RFC 2830)
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NTP (RFC 958)
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RTCP (RFC 3550, RFC 3605)
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RTP (RFC 3550)
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DTMF: in-band, RTP Payload (RFC 2833, 4733), SIP-INFO
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SIP/SIPS (RFC 3261, RFC 2543)
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SRTP (RFC 3711, RFC 4568)
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TFTP (RFC 1350)
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TLS (RFC 2246)
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VLAN (IEEE 802.1q)
1 Depending on the central communication server / cloud PBX
2 Version 2.0A or higher
3 Optional
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Base
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Max
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Power supply
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Power over Ethernet (PoE according to IEEE 802.3af, Class 0)
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Ethernet ports
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2 port Ethernet switch 10/100/1000 Base-T
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USB ports
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2
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System connection
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Ethernet 10/100/1000 Base-T
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Headset
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separate interface for corded and cordless speaker/microphone sets, also with EHS support
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Operating elements
| keypad with vanity code, 17 dedicated function keys, 4 soft keys, 20 freely programmable function keys on the screen |
Display
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TFT colour display (4.3" / 10.9 cm, 480 x 272 pixels) with capacitive touch
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LEDs
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6, some multi-coloured
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Handset
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wideband audio, electret-microphone, dynamical loudspeaker, hearing aid compatible
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Hook switch
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magnetically switching contact
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Loudspeaker
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8 Ohm, Ø 52 mm
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Case
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plastic
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Colour
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black
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Dimensions (w x h x d)
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238 mm x 160/125 mm x 145/195 mm
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Weight
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approx. 750 g
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Compliance
| CE, EN 55032, EN 55024, EN 62368-1 |
Delivery Scope
- Basic unit
- Handset (receiver) with connection cable
- Device stand
- Ethernet connection cable RJ-45/RJ-45
- Quick start guide
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