Avaya 3735 Wireless Dect Handset

Availability: Out of stock

€401.72 €332.00

Avaya 3735 Wireless DECT Handset features enterprise-grade telephony with professional messaging, Bluetooth, and personal alarm all in one very capable DECT handset.
Suitable for Medium to High Demand Environments Such as Hospitals, Retail & Enterprise

  • TFT 2.0 inch colorscreen ( w x h : 31 x 41 )
  • Talk time 20 hours
  • Standby time 235 hours
  • Replaceable Li-polymer battery
  • Advanced Messaging


Avaya 3735 Design

The Avaya 3735 handset has a TFT color display with 262K colors. The handset display size is 2.0 inches with white LED backlight. The display backlight helps to operate and use the handset in complete darkness.


It has an internal phonebook with a storage capacity of 250 contacts. An additional 1,000 entries can be downloaded from a local company phonebook. Users can also access a centralized phonebook in order to search for other contacts on demand. The handset shall be able to automatically register towards the IP-DECT system at start-up give extra protection to a registration during the registration procedure.

Advanced messaging

Besides excellent telephony, its advanced messaging capabilities make it ideal for interacting with colleagues and even automated equipment. It is available with professional messaging (Standard version) and to an advanced model that includes personal alarm capabilities (Alarm version). The handset is more than a telephony and messaging handset. It also features an alarm button that can be used / configured to trigger duress calls. DECT location functionality means colleagues are notified of the handset’s location—making the Avaya 3735 particularly suitable for lone workers.


Avaya Wireless Handset 3735 supports Bluetooth Hands-Free Profile (HFP) version 1.6 to allow using Bluetooth headsets with the handset. The handset supports the call setup service including Basic Push To Talk (PTT Voice). The Basic PTT is presented as an incoming call when setup. Acoustic localization signal (ALS) is possible to configure the handset when an alarm is activated.

Centralized management

Avaya Wireless Handset 3735 supports centralized management. Using the Avaya In-building Wireless Server (AIWS2), software updates and parameter synchronizations are easily administered over the air.
Settings for each handset are stored and administered centrally.

Audio features

Avaya Wireless Handset 3735 has duplex loud speaking function to enable use as a conference phone at 1.5 m distance or closer to the handset. For connecting headsets there is a 3.5mm jack connection available.

Battery life

Avaya Wireless Handset 3730 has a battery lifetime up to 20 hours of talk time and 235 hours of standby time.

Key features

  • TFT 262K Colorscreen with backlight
  • Display 31mm x 41mm
  • Vibration possible with incoming call
  • Equipped with a standard 3.5mm jack headset connector
  • Bluetooth for connecting headset
  • 18 languages include English
  • Talk time: 20 hours under optimal conditions
  • Stand-by time: 235 hours under optimal conditions
  • Messaging :
    • Storage capacity: Up to 20,000 characters, 30 received / sent messages. Messages from handset to handset 140 characters
    • Beep depending on urgency and customizable beeps
    • Pre-programmed messages (pre-set or personal)
  • Replaceable Li-polymer battery


  • Avaya IP Office: Software Release 9.1 or later (Release 9.1 from Service Pack 11 and Release 10.0 from Service Pack 4)
  • Avaya Aura Communication Manager: Software release 6.3.8, 7.1 and above

Avaya Dect environment

The Avaya Dect 3730 handset is the replacement for the Avaya Dect 3720 handset
The Avaya Dect 3735 handset is the replacement for the Avaya Dect 3725 handset

The minimum software version of the Avaya Dect environment (Read: transmitters / base stations) must be Software Edition 6. (Software Edition 6 was released around 2014/2015 by Avaya)

In some cases, your Avaya Communication platform and / or your Avaya Dect environment and existing Dect handsets may need to be upgraded to the latest software release.

Let us help and advice to assure the proper functioning of your Avaya environment. We offer professional services to upgrade your Avaya Communication platform and / or Dect environment to the latest software and firmware updates.
Please contact us for more information.

More Information
Condition New
Warranty 2 Years
Warranty type Carry in
MPN 700513192
UNSPSC 43191512
Manufacturer Avaya
Dect handset dimensions Size (h x w x d): 137 x 52 x 21.5 mm
Handset weight 113gr including battery exclude clip 10gr
Display Color display
Display specifications Display (w x h): 31 x 41 mm, (2.0 Inch) TFT display, 262K colors with white LED backlight
Speech time 20 hours
Standby-time 234 hours
Messaging Storage capacity: Up to 20,000 characters, 30 received / sent messages. Messages from handset to handset 140 characters
Buttons Buttons & Keys: 3 soft keys, 4-way navigation key, offhook key, on-hook and power on / off on the same key, numerical keys and volume up / down.
Languages 19 languages: Czech, Danish, Dutch, English, Finnish, French, German, Greek, Hungarian, Italian, Norwegian, Polish, Portuguese (Brazilian), Portuguese (European), Russian, Slovakian, Spanish, Swedish and Turkish +1 downloadable.
IP Certification ( Water/Dust ) IP44
Radio specifications - DECT protocol detection: Automatic detection and configuration for US DECT and EU DECT at initial registration. - Frequency range: EU (1880-1900 MHz), US (1920-1930 MHz), L A (1910-1930 MHz), BR 1910-1920 MHz), Other (1900-1920 MHz). - Modulation: GFSK. - Channel spacing: 1.728 MHz. - Antenna: Integral. Sensitivity: -93 dBm. - Dynamic output power EU / LA / BR 10 mW (max average power), US: 4mW (max average power).
Ring signal 14 ring signals and vibration. Selectable ring tones per contact. Ring signal: Adjustable in 8 steps
Ring vibration Yes
Handsfree speaker Yes
Handsfree description Loudspeaker: Duplex loud speaking function
Headset port Yes
Headset connection 3.5mm jack
Bluetooth headset Yes
Local phonebook 250 entries
Company phonebook 1000 entries
Central phonebook Unlimited no. of entries
Call history Call list storage capacity: 25 received, dialed and missed calls, with time stamp
Emergency numbers Emergency numbers: Up to 5 emergency numbers: dial immediately without unlocking the keypad
Battery type Li-Polymer
Battery additional info Charge time: <4 hrs. | Discharge / charge cycles: cycles: >=65% capacity left after 500 full charge / discharge cycles
Replaceable battery Yes
Security and encryption Full support of the DECT Security EN300 444 feature N35, as specified by the DECT forum
Enviromental specifications
  • Operating temperature: 0°C to +40°C
  • Storage temperature*: -20°C to +60°C
  • Enclosure protection: IP40, IEC EN60529
  • Immunity to electromagnetic fields: 3V / m EN61000-4-3
  • Immunity to ESD: 4 kV contact discharge, 8 kV air discharge (EN61000-4-2)
Compliance Compliance to EU, US, Canadian and Australian Standards
System compatibility IEC 60068-2-32, procedure 1, dropped 12 times. IEC 68-2-32, procedure 2, dropped 1000 times from 0.5 meters.
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Customer Questions
What is the distance range for a DECT Handset towards the DECT base station
The range distance you can use the DECT handset from its base depends on the enviroment. DECT Handset phones meet a maximum range of up to 50 meters indoors and up to a maximum of 300 meters outdoors. You will only get this range when there is a clear...
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