Digital System Telephones Dialog
- Dialog 4220 Lite

- Double access line
- 10 function keys
- Volume control
- Programmable ringer loudness and tone character
- Clear function to disconnect call without replacing the handset
- "Message waiting" indicator
- Loud speaking function
- Dialog 4222 Office

- Triple access line
- Two-row graphical display for data such as the called party's extension number, time, date, etc.
- 10 function keys
- Loud speaking function, which allows the microphone and the handset to be active simultaneously
- Volume control
- Programmable ringer loudness and tone character
- Clear function to disconnect call without replacing the handset
- "Message waiting" indicator
- One key panel can be attached (17 functional keys)
- Headset port
- Dialog 4223 Professional

- Triple access line
- Three-row adjustable graphical display for data such as the called party's extension number, time, date, etc.
- 14 function keys
- Loud speaking function, which allows the microphone and the handset to be active simultaneously
- Volume control
- Programmable ringer loudness and tone character
- Clear function to disconnect call without replacing the handset
- Headset port
- "Message waiting" indicator
- Capability of programming certain PBX functions
- Up to four key panels can be attached (17 functional keys each)
- Call list (received, dialed and missed calls)
- Dialog 4224 Operator

- Double access line
- Five-row adjustable graphical display for data such as the called party's extension number, time, date, etc.
- 20 functional keys
- Loud speaking function, which allows the microphone and the handset to be active simultaneously
- Volume control
- Programmable ringer loudness and tone character
- Clear function to disconnect call without replacing the handset
- Headset port
- "Message waiting" indicator
- Capability of programming certain PBX functions
- Up to four key panels can be attached (17 functional keys each)
- Key Panel

Optional Key Panel with 17 functional keys with LEDs for Dialog 4222 Office, Dialog 4223 Professional and Dialog 4224 Operator.
Analog Telephones Dialog
- Dialog 4106 Basic

- DTMF dialing
- 3 function keys
- R-key
- "Mute" function
- Message waiting LED
- Last number redial
- Programmable ringer loudness and tone character
- Volume control
- Recall button which allows calls to be put on hold and ready for transfer
- Dialog 4187

- DTMF dialing
- 18 function keys
- R-key
- "Mute" function
- Message waiting LED
- Last number redial
- Programmable ringer loudness and tone character
- Two-row graphical display for data such as the called party's extension number, time, date, etc.
- Phonebook for five numbers
- Loud-speaking function
- Volume control
- Recall button which allows calls to be put on hold and ready for transfer
- Dialog 4422 IP Office

- Double access lines
- Two-row graphical display for data such as the called party's extension number, time, date, etc.
- 10 function keys
- Loud speaking function, which allows the microphone and the handset to be active simultaneously
- Volume control
- Programmable ringer loudness and tone character
- Clear function to disconnect call without replacing the handset
- Headset port
- "Message waiting" indicator
- One key panel can be attached (17 functional keys)
- DHCP, VLAN IEEE 802.1p&q, RTCP, IETF RCF 3550, Quality of Service IEEE 802.1p&q and Diffserv support;
- Codecs: G.711, G.729a, G.729ab, G.723.1
- LAN port, PC port
- Dialog 4425 IP Vision

- Triple Access Line
- Six-row graphical display with adjustable viewing angle and contrast
- 27 function keys
- Loud speaking function, which allows the microphone and the handset to be active simultaneously
- Volume control
- Programmable ringer loudness and tone character
- Clear function to disconnect call without replacing the handset
- Headset port
- "Message waiting" indicator
- Up to four key panels can be attached (17 functional keys each)
- DHCP, VLAN IEEE 802.1p&q, RTCP, IETF RCF 3550, Quality of Service IEEE 802.1p&q and Diffserv support
- Codecs: G.711, G.729a, G.729ab, G.723.1
- LAN port, PC port
- Dialog 5446 IP Premium

- Triple Access lines
- Large, color, touch-screen display
- 27 function keys
- Loud speaking function, which allows the microphone and the handset to be active simultaneously
- Volume control
- Programmable ringer loudness and tone character
- Clear function to disconnect call without replacing the handset
- Headset port
- "Message waiting" indicator
- DHCP, VLAN IEEE 802.1p&q, RTCP, IETF RCF 3550, Quality of Service IEEE 802.1p&q and Diffserv support
- Codecs: G.711, G.729a, G.729ab, G.723.1; LAN port, PC port; USB port
- SIP or H.323 signalization
- Internet Browser
- User-friendly interface with icons
- Support for graphical business applications
- Compatible with MS Outlook
- Aastra 6751i

- Full SIP phone functionality
- Dual 10/100 Mbps switched Ethernet ports
- 3 line LCD display
- LED for call and message waiting indicator
- 1 call appearance line
- 4 navigational keys
- 9 configurable speed-dial keys using number keypad
- 9 predefined hard keys, plus 2 volume keys
- Advanced XML capability
- Power over Ethernet
- Aastra 6753i

- Full SIP phone functionality
- Dual 10/100 Mbps switched Ethernet ports
- 3 line LCD display
- LED for call and message waiting indicator
- 3 call appearance lines with LEDs
- 4 navigational keys
- 4 programmable keys with LEDs
- 8 predefined hard keys
- Advanced XML capability
- Power over Ethernet & Universal AC Adapter
- Aastra 6755i

- Full SIP phone functionality
- Dual 10/100 Mbps switched Ethernet ports
- 144x75 pixels graphical LCD display
- LED for call and message waiting indicator
- 4 call appearance lines with LEDs
- 4 navigational keys
- 6 customizable softkeys with LEDs,
- 8 predefined hard keys
- Advanced XML capability
- Power over Ethernet & Universal AC Adapter
- Aastra 6757i

- Full SIP phone functionality
- Dual 10/100 Mbps switched Ethernet ports
- 144x128 pixels graphical LCD display
- LED for call and message waiting indicator
- 4 call appearance lines with LEDs
- 4 navigational keys
- 12 customizable softkeys with LEDs,
- 8 predefined hard keys
- Advanced XML capability
- Power over Ethernet & Universal AC Adapter
Business Cordless Telephones DT
- DT390

- Large illuminated black/white and gray scale display
- Hands free
- Easy to upgrade
- Virtual SIM
- Easy access to PBX services (e.g. voice mail)
- Manual and automatic keypad lock
- Local phonebook with 250 entries on every phone, independent of the system support
- Central phonebook supported via ODBC/LDAP interface
- Call list that shows the last 25 calls
- Standard 2.5 mm headset connector
- Loudspeaker function
- Vibrating function
- Muting function
- 14 different ring tones available on the phone
- GAP/CAP compliant
- DT690

- Color display
- Ergonomic positioning of a multifunction key with a customized feature
- Hands free
- Easy to upgrade
- Easily replaceable battery that can be recharged separately
- Virtual SIM
- Easy access to PBX services (e.g. voice mail)
- Cleanable with a damp cloth
- Manual and automatic keypad lock
- 3 programmable softkeys
- 9 programmable hotkeys
- One programmable multifunction key in a convenient position on top of the phone
- Central phonebook supported via an ODBC/LDAP interface
- Local phonebook with 250 entries for every phone, independent of the system support
- Call list that shows the 25 last calls
- Sending/receiving messages (SMS)
- Standard 2.5 mm headset connector
- Loudspeaker function
- Vibration enabled
- Muting function
- 14 different ring tones available on the phone
- GAP/CAP compliant







