Contents | Plantronics P835-M, P830-M, P825-M, P820-M specification

Connecting the Cables	4
Speakerphone and Microphone Basics		5
Set-up Your Speakerphone		6
Accessories		6
Set-up Your Calisto		6
Get to Know your Calisto		8
Screen		9
Idle screen notifications		9
Status bar icons		9
Headset/headphone/
earbud connection
indicators		9
Outgoing phone line indicators		10
Online status indicators		10
Menu		10
Optimal audio performance		10
Use Call Features		11
Make a Call		11
Use the dial pad		11
Dial a call log entry		11
Dial a favorite		11
Answer or Ignore a Call		11
Answer a call		11
Ignore a call		11
Answer a Second Incoming Call		11
Switch Between Calls		11
Mute a Call		12
End a Call		12
Use Other Call Options		12
Make a second outgoing call		12
Enter passwords and numbers		12
Special Features for Using Your
P830 & P835 Calisto with
Landline		13
Use the flash feature		13
Use mutiple phone lines
with the same landline		13
Enter/Edit Favorites		15
Create a Favorite		15
Create a favorite from
an ended call		15
Create a favorite from a
call log entry		16
Create a favorite manually		16
Dial a favorite		17
Edit a favorite		17
Search for a favorite		17
Delete a favorite		18

Access Voicemail	19
Use Your Calisto with a Headset	20
Switch Call Audio Between
Your Calisto and a Headset	20
Use Your Calisto with a
Wireless Mic	22
Setup	22
Pairing (if not pre-paired)	22
Wearing and Use	22
Features	23
Wirelss Mic Useage	24
Light Indicators	25
Disconnect from/Reconnect
to a Mobile Phone or
Bluetooth Headset	26
Customize Your Calisto Settings	28
Basic Setup	28
Set the Ringer Volume	28
Set the Ringer Tone	28
Set the Mic Level	28
Set the Screen Brightness	28
Button Feedback	28
Set the Language	28
Set the Country	29
Landline Setup	29
Enter Your Voicemail
Access Number	29
Reset the Voicemail Indicator	29
Bluetooth Setup	30
Change the Connected Phone
or Headset	30
Remove a Phone or Headset
from Calisto Memory	30
Advanced Setup	30
Troubleshooting	31

P820-M, P835-M, P825-M, P830-M specifications

Plantronics, renowned for its innovative audio solutions, has a range of powerful headsets catering to different user needs, including the P830-M, P835-M, P825-M, and P820-M models. Each headset has been crafted to offer superior sound quality, comfort, and advanced technologies tailored for both office and mobile professionals.

The Plantronics P830-M is a versatile stereo headset designed for maximum productivity. Its dual connectivity options allow seamless switching between computer and mobile devices, enhancing user flexibility. Featuring noise-canceling microphones, the P830-M ensures clear calls by reducing background noise, making it ideal for open-office environments. The plush ear cushions provide comfort for extended use, while the lightweight design promotes all-day wearability. The headset also incorporates a long-lasting battery, delivering up to 13 hours of talk time, ensuring users remain connected throughout the day.

Similarly, the P835-M model takes a step further with advanced audio processing technologies. This headset boasts HD voice quality, which delivers exceptional clarity for calls and multimedia. The P835-M is equipped with smart sensors that automatically pause audio playback when the headset is removed, contributing to enhanced user experience and battery longevity. Its robust build and adjustable headband ensure a snug fit, catering to various head sizes without compromising comfort.

Continuing the lineup, the Plantronics P825-M headset is specifically designed for those who demand a lightweight, compact option without sacrificing audio fidelity. Its single-ear design is perfect for multitasking, allowing users to remain aware of their surroundings while engaged in calls. The swivel microphone can be adjusted for optimal positioning, ensuring clear communication, while the intuitive controls provide easy access to functions like volume adjustments and call management.

Lastly, the P820-M is a reliable choice for budget-conscious consumers seeking quality performance. It features a straightforward design with essential functionalities. The P820-M is known for its excellent sound quality, comfortable fit, and effective noise isolation capabilities, making it a solid option for users who require a dependable headset for calls and casual listening.

In summary, the Plantronics P830-M, P835-M, P825-M, and P820-M represent a comprehensive range of headsets that cater to diverse user preferences. Each model offers unique features, ensuring high-quality audio experiences and superior comfort. Whether for professional environments or casual use, Plantronics headsets stand out for their innovative technologies and user-centric designs.