Plantronics CS50 and CS55 Setup WITHOUT Headset Port - Headset Advisor

There's multiple ways to set up your Plantronics CS50 or CS55 wireless headset. Follow this quick setup guide if you're using the HL10 Lifter OR your desk phone doesn't have a headset port. If your connecting to a desk phone with an RJ9 headset port, follow the Plantronics CS55 setup guide to headset port.

Step 1- Connect the AC power

Plug in the AC power to your CS50 or CS55 wireless headset charging base and let your headset charge for at least 3 hours. Step 1- connect plantronics cs55 ac power

Step 2- Pair headset to charging base

  1. Turn your charging base around and press and hold the "+" and "-" buttons at the same time, until the red LED light flashes on the front of your charging base, then release your fingers.
  2. Press straight down and hold on the mute button on your CS50 or CS55 wireless headset until a solid green LED light appears, then release.
  3. Red light will go solid and green light will go out, your headset is now paired.
*If you need to replace the battery in your headset, click here and follow these 3 simple steps. plantronics cs55 pairing plantronics cs55 pairing

Step 3- Connect phone cord to charging base

Connect the RJ9 phone cord that came included with your Plantronics headset to the back of your CS50 or CS55 charging base. plug cs55 phone cord in

Step 4- Unplug your desk phone handset

unplug handset

Step 5- Plug your headset phone cord into the handset port

rj9 phone cord

Step 6- Plug in your handset to the front of the charging base

Plugging your desk phone handset into the front of the Plantronics charging base allows you the capability to still use your handset when needed. handset plug in

Step 7- How to use your headset

First start by taking your Plantronics headset out of the charging base and turn the earpiece on (silver oval shape button on face of earpiece). Remove the handset and hang it back up to answer/end calls. *Add the HL10 Lifter or EHS cable (highly recommended) and you'll be able to answer/end calls when away from the phone. Contact us and we'll verify compatibility for you. using your headset- cs55
Category_setup guidesCs50Cs50 setupCs55Cs55 setupPlantronics cs50Plantronics cs55

Leave a comment

All comments are moderated before being published

Yealink HA64 Pro

Ranked by Headset Advisor as the best wireless headset in 2025.

Learn More

Sound like a pro on every call, even if your dog is barking in the background

Eliminate background noises for your microphone with Neep's AI-powered noise cancellation.

Try neep Free
    1 out of ...

    Blog posts

    View all
    Microsoft Teams Headset Buying Guide

    Microsoft Teams Headset Buying Guide

    bluetooth headsetDavid Merritt
    headset on desk top next to laptop and some law books, promoting the thought of things for law firms to consider before buying headsets

    What Law Firms Should Consider Before Buying Headsets

    business headsetsDoug Merritt
    woman working at hospital with headset on, scrubs, stethescope around neck, with text promoting points about things to consider when shopping for headsets for healthcare workers

    What to Look for When Shopping for Healthcare Headsets

    DECT headsetsDoug Merritt
    Jabra Evolve3 75 vs Jabra Evolve3 85: Which Headset Is Right for You?

    Jabra Evolve3 75 vs Jabra Evolve3 85: Which Headset Is Right for You?

    hybrid work headsetDoug Merritt
    headset next to laptop with text promoting a pre-purchase headset buyers checklist

    Planning A Large Headset Purchase? Start With These Questions

    business headsetsDoug Merritt
    headset on desktop along with text about how to interpret headset questions from previous blog

    How To Interpret Your Headset Planning Checklist

    business headsetsDoug Merritt
    headset on desk top, with ear cushions, mic screens and ear tips along with bacterial wipes and a sign about tips on better headset hygiene

    Headset Hygiene Tips for Contact Centers and Shared Workspaces

    business headsetsDoug Merritt
    man on left feeling drained by background noise, woman on right also wearing a headset, but in quiet office, looking calm, and relaxed and happy

    Why Poor Audio Increases Mental Fatigue

    audio fatigueDoug Merritt
    man showing where to position headset microphone, and inserted images of where not to

    Poor Headset Audio? Your Microphone Position Could Be the Problem

    business communicationDoug Merritt

    Shop our Best Selling Headsets

    View all
    Discover D722U Over-Ear Noise Cancelling USB Wired Headset For Computer (Boomstick) - Headset AdvisorDiscover D722U Over-Ear Noise Cancelling USB Wired Headset For Computer (Boomstick) - Headset Advisor
    Discover D712U Dual Speaker USB Wired Office Headset For Professionals - Headset Advisor
    Discover D713U On-Ear USB Wired Headset - Headset Advisor
    Discover Discover D713U: Comfortable On-Ear USB Headset with Mic
    Sale priceFrom $39.99Save $40.00 Regular price$79.99
    40 reviews
    Only 230 units left
    Choose options
    epos impact 1060
    EPOS EPOS Impact 1000 Dual Speaker Noise Canceling Headset With HD Mic
    Sale priceFrom $251.82Save $17.18 Regular price$269.00
    20 reviews
    Only 73 units left
    Choose options