Aastra 6735i (35i)
Buy now: £162.00 + VAT

Quick Overview

The Aastra 6735i (35i) has 2 Gigabit Ethernet ports to ensure that attached computers perform at their full capabilities when connected to Gigabit networks


The Aastra 6735i supports up to 9 SIP accounts and has a 144×75 pixels graphical backlit LCD display


The Aastra 6735i requires a POE switch or a Universal AC Power Adapter


The Aastra 6735i (35i) IP Phone includes the following features:


  • Up to 9 lines Simultaneously; 4 line/call appearance buttons with LEDs
  • Very fast 10/100/1000 Ethernet speed; XML support for productivity-enhancing applications
  • Multi-proxy support
  • Distinctive ringing; Priority alerting
  • Supports Power over Ethernet (PoE)
  • Call forward/Call transfer/Call waiting/Call timer; Callers log
  • Local 3-way Conference
  • Programmable speed dial; Missed call notification; Busy Lamp Field (BLF)
  • Supports up to 3 expansion keypads
  • Keypad: 4 navigational keys; 6 customisable softkeys with LEDs, programmable up to 20 functions; 6 additional programmable keys with LEDs; 8 dedicated hard keys including Hold, Redial, Speakerphone/Headset toggle, Mute, Options, Goodbye, 2 volume keys
  • Codecs: G.711 μ-law / A-law, G.729, G.722 wideband, BV16, BV32, L16
  • Hearing aid compatible handset
  • Full-duplex quality speakerphone; Echo cancellation; Comfort noise
  • Packet loss concealment; Modular Headset Connector with built-in amplifier
  • 144×75 pixels graphical backlit LCD display
  • Soft white backlight
  • LED for call and message waiting indicator


The Aastra 6735i IP Phone is a combination of exceptional voice quality, great features and flexibility of use. It is an excellent phone for big corporations and offices that have a heavy load of incoming and outgoing calls. The phone can support 9 lines at the same time. It provides several one-touch features and some great XML based programs that make it easier to use


The Aastra 6735i delivers crystal clear audio quality. Conversations and communication is a pleasure with this phone. It maximises the audio experience and provides brilliant sound quality and great clarity for every call. Whether you use handset or hands free or speakerphone or headset port, the phone offers exceptional sound quality in every way


The Aastra 6735i is equipped with XML browser capabilities. The user can create internal service applications using the development guides available at Aastra. This feature provides great potential to customise the phone according to your business and communication needs


With a push of a button the Aastra 6735i can perform several functions. It increases productivity and efficiency. This phone has a great combination of standard and advanced features which includes shared call and bridged line appearances, call forward, call transfer, call waiting, intercom and 3-way conference providing enhanced call flexibility and control


The Aastra 6735i also offers expansion. The M670i and M675i are the two modules compatible with Aastra 6735i. This phone can support 3 expansion modules at the same time; each of which can provide 36 keys with LED indicators. Above all, it is easy to deploy and setup the phone; the Aastra 6735i has been designed to save money and time for your business


Additional Information


12 Months Warranty




144×75 Backlit LCD

WiFi Support



Ethernet (RJ-45)

Ethernet Port Speed


Number Of Ethernet Ports


Ethernet Cable Included



AC or PoE

AC PSU Included


Number Of Programmable Keys


SIP Accounts/IDs


Expansion Keypad Available

Aastra 560M (M675i) OR Aastra 536M (M670i)



USB Port


HD Voice Technology


Headset Interface

RJ-9 Port

Electronic Hook Switch Support


Handsfree Speakerphone


Skype Support


Microsoft OCS/Lync Support


Presence Indicator