Problem

I am unable to place VoIP calls on the handset or headset.

There is no dial tone.

Caller ID is not displayed.

Solution

PerSonoCall is not installed or not configured correctly (see “Installing the VoIP Utility software” on page 37).

Check that the correct system tray icon appears when you plug the USB cable into your computer’s USB port. If this icon does not appear, try plugging the USB cable into the port again. If this doesn’t work, close PerSonoCall and relaunch it by clicking the desktop icon. Relaunch Skype. If the problem still persists, remove the PerSonoCall software from your computer and reinstall it from the CD (see www.plantronics.com/downloads for more software troubleshooting tips).

The USB cable is disconnected or damaged. Unplug and replug the cable into both your handset and your computer.

You are using an older version of the VoIP service (Skype, etc.) on your computer that is not supported by your Calisto Pro Series. Download the latest version of your VoIP software.

Check the phone line connection from the base to the wall phone line jack to make sure they are properly connected.

If the headset doesn’t have a dial tone but the handset does, check to see if the headset is paired with

handset properly. Press the Headset button once and see if the headset icon is displayed on the handset screen. If the icon is not displayed, follow the steps in “Pairing with a new headset” on page941 to pair your headset with your handset.

Make sure you subscribe to caller ID service from your phone service provider.

The incoming call party has caller ID blocking and is restricting the displaying number.

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Plantronics 655 manual Problem

655 specifications

Plantronics, a renowned name in the world of audio communication technology, has introduced two standout models in its headset lineup: the Plantronics 655 and 665. These headsets are crafted to meet the demands of both professional environments and personal use, offering exceptional sound quality, comfort, and practicality.

The Plantronics 655 is designed primarily for business use, featuring a lightweight structure that ensures comfort during extended wear. Its noise-canceling microphone significantly reduces background noise, making it easier for users to concentrate on conversations without distractions. The 655 employs advanced audio processing technology that enhances voice clarity, making it an excellent choice for conference calls and meetings.

On the other hand, the Plantronics 665 builds upon the solid foundation of the 655 but adds several premium features to enhance user experience. The 665 headset features Bluetooth connectivity, offering users the freedom to roam while staying connected. With a wireless range of up to 100 meters, users can take calls or listen to music while moving around their workspace.

Both models are equipped with Plantronics' Smart Sensor technology that automatically answers calls when the headset is worn, and pauses music when it is removed, allowing for seamless transitions between calls and media playback. This feature adds a layer of convenience, making it an ideal choice for busy professionals.

In terms of battery life, the 665 excels with up to 15 hours of talk time, ensuring all-day usage without the need for frequent recharging. The headset’s quick charging capability means that users can get back to their tasks quickly, minimizing downtime.

Ergonomically designed, both headsets offer adjustable headbands and soft ear cushions, ensuring comfort and fit for prolonged usage. The intuitive on-ear controls allow users to easily adjust volume, mute, and skip tracks, adding to the user-friendly experience.

In summary, the Plantronics 655 and 665 are two efficient headsets that cater to different needs while sharing a common goal of excellent audio performance and user comfort. Whether for business meetings or casual listening, these headsets deliver on multiple fronts, making them an excellent choice for anyone in need of reliable audio communication tools.