Yealink W79P DECT IP Phone User Guide


Quick Start Guide (V1.0)

W79P Package Contents

Note: Yealink W79P DECT IP phone consists of one W70B base station and one W59R handset.

Assembling the DECT Phone

  1. Connect the base station power and the network using method a or method b.Note:• If you choose method a, use Yealink supplied power adapter (5V/0.6A). A third-party power adapter may damage the base station.If you choose method b, you do not need to connect the power adapter. Make sure the hub/switch is PoE-compliant.2a. (Desktop Installation) Attach and remove the base stand.Attach the Base StandAlign the snap-fits with the corresponding holes and push forward, snapping them into the holes.

    Remove the Base StandRemove the snap-fits from the holes horizontally.

    2b. (Wall-Mount Installation) Attach the base station.

  2. Insert the battery into the handset.
  3. (Optional) Mount the charging cradle to the wall.
  4. Connect the charging cradle and charge the handset.


  • Use Yealink-supplied power adapter (5V/0.6A). A third-party power adapter may damage the handset.
  • Check the charging status on the top-right corner of the LCD screen.

Technical Specifications

Item Specification
Frequency band 1880-1900 MHz (Europe), 1920-1930 MHz (America), 1910­1920 MHZ (Brazil)
Battery type 1460mAh Lithium-ion 3.7v 5.4WH
Talk time 28hours/24hours(with bluetooth)
Standby time 360 hours (15 days)/240 hours(with bluetooth)
Charging time Less than 4 hours
Charger DC 5V/0.6A Input
Power adapter Input:100-240V-50/60Hz 0.2A Output:5V 0.6A 3.0W
Security IEC 62133-2:2017

For more information, see the specific user guide or contact your system administrator.

Hardware Component Instructions

Regulatory NoticesOperating Ambient Temperatures

  • Operating temperature: +32 to 104°F (0 to 40°C)
  • Relative humidity: 5% to 90%, noncondensing
  • Storage temperature: -22 to +160°F (-30 to +70°C)

WarrantyOur product warranty is limited only to the unit itself when used normally in accordance with the operating instructions and the system environment. We are not liable for damage or loss resulting from the use of this product, or for any claim from a third party. We are not liable for problems with the Yealink device arising from the use of this product; we are not liable for financial damages, lost profits, claims from third parties, etc., arising from the use of this product.

Explanation of the symbols

  • DC symbol is the DC voltage symbol.
  • WEEE Warning symbolTo avoid the potential effects on the environment and human health as a result of the presence of hazardous substances in electrical and electronic equipment, end-users of electrical and electronic equipment should understand the meaning of the crossed-out wheeled bin symbol. Do not dispose of WEEE is unsorted municipal waste and has to collect such WEEE separately. Restriction of Hazardous Substances Directive (RoHS) This device complies with the requirements of the EU RoHS Directive. Statements of compliance can beobtained by contacting [email protected].

Safety Instructions

Save these instructions. Read these safety instructions before use!General Requirements

  • Before you install and use the device, read the safety instructions carefully and observe the situation during operation.
  • During the process of storage, transportation, and operation, please always keep the device dry and clean, avoid collision and crash.
  • Please attempt not to dismantle the device by yourself. In case of any discrepancy, please contact the appointed maintenance center for repair.
  • Please refer to the relevant laws and statutes while using the device. The legal rights of others should be respected as well.

Environmental Requirements

  • Place the device in a well-ventilated place. Do not expose the device under direct sunlight.
  • Keep the device dry and free of dust.
  • Do not place the device on or near any inflammable or fire-vulnerable object, such as rubber-made materials.
  • Keep the device away from any heat source or bare fire, such as a candle or an electric heater.

Operating Requirements

  • Do not let a child operate the device without guidance.
  • Do not let a child play with the device or any accessory in case of accidental swallowing.
  • Please use the accessories provided or authorized by the manufacturer only.
  • The power supply of the device shall meet the requirements of the input voltage of the device. Please use the provided surge protection power socket only.
  • Before plugging or unplugging any cable, make sure that your hands are completely dry.
  • Do not spill liquid of any kind on the product or use the equipment near water, for example, near a bathtub, washbowl, kitchen sink, wet basement, or near a swimming pool.
  • During a thunderstorm, stop using the device and disconnect it from the power supply. Unplug the power plug and the Asymmetric Digital Subscriber Line (ADSL) twisted pair (the radio frequency cable) to avoid lightning strikes.
  • If the device is left unused for a rather long time, disconnect it from the power supply and unplug the power plug.
  • When there is the smoke emitted from the device, or some abnormal noise or smell, disconnect the devicefrom the power supply, and unplug the power plug immediately.
  • Contact the specified maintenance center for repair.
  • Do not insert any object into equipment slots that are not part of the product or auxiliary product.
  • Before connecting a cable, connect the grounding cable of the device first. Do not disconnect the grounding cable until you disconnect all other cables.

Battery Requirements

  • Do not immerse the battery into the water, which could short-circuit and damage the battery.
  • Do not expose the battery to an open flame or leave the battery where it could be subjected to ex­tremely high temperatures, which could cause the battery to explode.
  • Do power the handset off before removing the battery.
  • Do not try to use the battery for the power supply of any device other than this
  • Do not open or mutilate the battery. The released electrolyte is corrosive and may cause damage to your eyes or skin.
  • Use only the rechargeable battery pack delivered with the handset or those rechargeable battery packs expressly recommended by Yea
  • Defective or exhausted batteries should never be disposed of as municipal waste. Return the old battery to the battery supplier, a licensed battery dealer, or a designated collection facility.

Cleaning Requirements

  • Before cleaning the device, disconnect it from the power supply.
  • Use a piece of soft. dry and anti-static cloth to clean the device.
  • Keep the power plug clean and dry.


The unit cannot supply power to the Yealink device.

There is a bad connection with the plug.

  1. Clean the plug with a dry cloth.
  2. Connect it to another wall outlet.

The usage environment is out of operating temperature range.

  1. Use in the operating temperature range.

The cable between the unit and the Yealink device is connected incorrectly. 1. Connect the cable correctly.

You cannot connect the cable properly.

  1. You may have connected the wrong Yealink device.
  2. Use the correct power supply.

Some dust, etc., maybe in the port.

  1. Clean the port.

Contact your dealer or authorized service facility for any further questions.

FCC Statement

This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.Any changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.

IC Statement

This device complies with Industry Canada’s license-exempt RSS. Operation is subject to the following two conditions:(1) this device may not cause interference; and(2) this device must accept any interference, including interference that may cause undesired operation of the device. CAN ICES-3(B)Radiation Exposure StatementThis equipment complies with FCC and IC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with a minimum distance of 20cm between the radiator and your body.Contact InformationYEALINK NETWORK TECHNOLOGY CO., LTD.309, 3rd Floor, No.16, Yun Ding North Road, Huli District, Xiamen City, Fujian, P.R.CYEALINK (EUROPE) NETWORK TECHNOLOGY B.V.Strawinskylaan 3127, Atrium Building, 8th floor, 1077ZX Amsterdam, The NetherlandsYEALINK (USA) NETWORK TECHNOLOGY CO., LTD.999 Peachtree Street Suite 2300, Fulton, Atlanta, GA, 30309, USAMade in China

About YealinkYealink (Stock Code: 300628) is a global brand that specializes in video conferencing, voice communications, and collaboration solutions with best-in-class quality, innovative technology, and a user-friendly experience. As one of the best providers in more than 140 countries and regions, Yealink ranks No.1 in the global market share of SIP phone shipments (Global IP Desktop Phone Growth Excellence Leadership Award Report, Frost & Sullivan, 2019).

Technical SupportVisit Yealink WIKI ( for firmware downloads, product documents, FAQs, and more. For better service, we sincerely recommend you to use the Yealink Ticketing system ( to submit all your technical issues.

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