Plantronics 655 manual There is no dial tone in the handset

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Problem

There is no dial tone in the handset.

I am unable to place calls using the headset.

Handset does not ring.

Solution

Make sure the battery is properly installed and fully charged. A full charge my take up to 16 hours. The

screen displays a full battery icon in the upper right-hand corner when the battery is fully charged.

Make sure the base and all cables are plugged in correctly. See “Setup” on page 4 for details.

The handset may not be registered to the base properly. Follow the steps in “Registering your handset with the charging base” on page 40 to re-register the handset with the base.

If is displayed on the screen, make sure the headset is fully charged, powered on, and within 33 feet of the handset. In the charging base, the indicator light changes from red to blue when the headset is fully charged.

If is not displayed on the screen, press the Headsetbutton for under 1 second. You should hear a beep in the headset and then the phone dial tone.

If the problem continues, see “Pairing with a new headset” on page 41 for instructions on how to re-pair your headset with your Calisto handset.

The ringer is turned off. Follow the steps in “Turning the ringer off” on page 26 for instructions on how to turn the ringer back on.

The base is not properly connected to a telephone jack. You can also plug another phone into the same telephone jack to check if there is a dial tone or if the line is out of service.

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Contents Calisto Pro Series Page Contents Page Page Page Product & Accessories Documentation Incoming Call John Smith ComponentsHeadset Hooking up the base SetupCompleted system Charging the handset Installing the handset batteryCharging the headset Wearing the headset and handset Replacing the handset battery Powering your headset on Powering the Headset On and OffPowering your headset off Placing calls Using Your Headset with Your HandsetReceiving calls Switching calls between handset, headset, and speakerphone Adjusting call volumeLocating the headset from the handset Ending callsPairing your Calisto headset with your mobile phone Using Your Calisto Headset with Your Mobile PhonePlacing calls Adjusting call volume using your headset Receiving calls using your headsetEnding calls using your headset Additional mobile phone/headset features Adding a contact manually Using the PhonebookAssigning speed dials and ring tones Editing a contact Adding a contact from a callEditing names and numbers Deleting a contact Quickly finding a contactChain dialing Caller ID Calling Features BasicsSpeakerphone Last number redialMuting a call Using speed dial keysTips for mobile calls Receiving a second incoming callViewing and editing the Call Log Headset alerts Headset button functionsIcon Meaning Action Handset screen iconsAdjusting the ringer volume SettingsTurning the ringer off Selecting a ring toneSetting the date and time Adjusting the screen contrastTurning the keypad tone on or off Setting the default languageLocking the keypad Switching between tone dialing and pulse dialing Voicemail Setting up quick voicemailChecking voicemail Transferring Outlook Contacts into Phonebook Installing the softwareSystem requirements Click Synchronize with Outlook Using the Outlook Phonebook UtilityName Creating an Outlook contact Phonebook storageEditing an Outlook contact Deleting an Outlook contact Viewing your updated contacts on your handsetRestoring your phonebook Customizing the Outlook Phonebook UtilityAnswering Calls from Your Computer’s VoIP Program Installing the VoIP Utility softwarePage Using the PerSonoCall VoIP Utility Locating the handset from the charging base Using the Handset with the Charging BaseRegistering your handset with the charging base Pairing with a new headset Using a Different HeadsetUsing a corded headset Common screen icons and warning messages TroubleshootingThere is no dial tone in the handset Problem Problem Am having problems pairing the headset with a mobile phone Handset does not respond when I press the handset locator Headset specifications Product SpecificationsHandset specifications Limited warranty WarrantyHelp/Contact Technical assistanceFCC Compliance Class B Digital Device FCC/Regulatory NoticesFCC Declaration of Conformity Federal Communications Commission FCC Part 68 Statement Canadian ComplianceIndustry Canada CS-03 Declaration of Conformity Safety Instructions TEL 800-544-4660 in USA and Mexico
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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.
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