Panasonic KX-TG7645M, KXTGA660B, KX-TGA660B, KXTGA410B, KX-TGA660M, KXTG7623B Cannot hear a dial tone

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Useful Information

Problem

I cannot register a cellular phone to the base unit.

I cannot connect a cellular phone to the base unit.

I cannot hear a dial tone.

The indicator on the handset flashes slowly.

Cause/solution

R Depending on the compatibility of the cellular phone, you may not be able to register it to the base unit. Confirm that your cellular phone supports the hands-free profile (HFP) specification.

R Confirm that the Bluetooth feature of your cellular phone is turned on. You may need to turn this feature on depending on your cellular phone.

R The Bluetooth technology on your cellular phone may not be functioning normally. Turn off and on your cellular phone.

R If your cellular phone is already connected to another Bluetooth device such as a Bluetooth headset, turn it off or disconnect it from your cellular phone.

R Some cellular phones may require you to enter the base unit PIN to register. Confirm that you entered the correct PIN.

R Confirm that your cellular phone is turned on.

R Confirm that your cellular phone is within base unit range (page 15).

R Depending on the state of the wireless environment, such as the presence of any electrical interference, there may be a delay even if the auto connection feature is turned on. You can connect to the base unit manually (page 21).

R The cellular phone has not been registered to the base unit. Register the cellular phone (page 19).

R Make sure the base unit’s AC adaptor is connected properly (page 10).

R Make sure that the CELL 1 or CELL 2 indicator lights green (page 17).

R Make sure the telephone line cord is connected properly (page 10).

R Disconnect the base unit from the telephone line and connect the line to a known working telephone. If the working telephone operates properly, contact our service personnel to have the unit repaired. If the working telephone does not operate properly, contact your service provider/ telephone company.

R New messages have been recorded. Listen to the new messages (page 59).

R New voice mail messages have been recorded. Listen to the new voice mail messages (page 65).

For assistance, please visit http://www.panasonic.com/help

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Contents Before initial use, see Getting Started on Making/Answering Calls Using the Base Unit Making/Answering Calls Using the HandsetCaller ID Service Using Bluetooth DevicesModel composition Supplied accessories Accessory informationAccessory item Accessory item Order number Additional/replacement accessoriesOptional handset feature overview Feature KX-TGA410Your Bluetooth cellular phone*1 2 max Bluetooth devicesYour Bluetooth headset*1 1 max For your safety Important safety instructions Other information Connections Setting upCorrect Wrong Base unit KX-TG7621 seriesBattery charging Battery installationKX-TG7641 series During a power failure Intelligent eco modeBattery level Icon Panasonic Ni-MH battery performance supplied batteriesHandset ControlsSpeaker TalkBase unit Belt clip Display/IndicatorsMlocatorn Mintercomn Mflashn Mcall Waitn Mmemon Meaning Base unit display item Date and time Initial settingsDisplay language Dialing modeVoice guidance language Msaven MoffnRegistering a cellular phone Link to cell featureTrademarks MmenunRing as cell mode Link to cell settingsSelecting which unit receives cellular calls Connecting/disconnecting the cellular phone manually Cellular line only mode If you do not use the landlineAuto connection to the cellular phone To turn onWhen you use the landline again Changing the Bluetooth PIN Personal Identification NumberCellular line selection Changing the PIN for the second time Deregistering Bluetooth devicesMselectn MbN Yes a MselectnMaking landline calls Making cellular callsMcelln Answering calls Useful features during a callHold Flash for landline calls MuteHandset clarity booster To release hold on the landline Press M NCall share Handset equalizerMbN Equalizer a Mselectn While another unit is on a cellular callUsing the other line during a conversation Power back-up operationMbN Hold a Mselectn To make a 2nd call To answer a 2nd callWhen 2 or more handsets are registered Making calls during a power failureWhen only 1 handset is registered Making a call using the shared phonebook Answering calls during a power failureMSP-PHONEN Adjusting the speaker volumeAdjusting the base unit ringer volume To change the landline ringer volume MMENUN#*160To release hold on the landline Press MSP-PHONEN Mute Mholdn Adding entries Shared phonebookCharacter table for entering names Key CharacterGroups Using the landline Handset / Base unit*1Finding and calling from a phonebook entry Erasing the character or numberErasing entries Editing entriesMbN Phonebook a Mselectn Base unit M N Chain dialDisplay the menu tree and direct command code table Programmable settings#303 #302#304 #211#6251*5 Main menu#6252*6 6Off-6 #6281*5 For CellOff #633 #632On 0 Off #157 #634Off-6 #G160 Off-6 #160#161 On 0 Off #201On 0 Off #214 Caller ID number On 0 Off #165On 0 Off #G214 Auto edit On 0 Off #200Programming Silent mode AlarmSpecial programming MsavenCall block Caller ID subscribers only Changing the handset nameMclearn Operating additional units Registering a unitRegistering a handset to the base unit Caller ID features Using Caller ID serviceTalking Caller ID Viewing the caller list Caller listCalling back Ringer IDUsing the landline Using the landline HandsetEditing a caller’s phone Number before calling backErasing selected caller information Caller ID number auto edit featureErasing all caller information Mselectn a Moffn Base unit*1MbN Phonebook a Mselectn Handset To copy from registered cellular phones Copying phonebook from a cellular phone phonebook transferMbN Other cell a Mselectn Cellular phoneRegistering a headset to the base unit Operating a Bluetooth wireless headset using a landlineTo switch to the base unit Switching between the base unit and your headsetAnswering landline calls with your headset Call sharing between your headset and the handsetTurning the answering system on/off Answering system for landlineMemory capacity including your greeting message Call screeningUsing a pre-recorded greeting message Listening to messages using the base unitGreeting message Recording your greeting messageOperating the answering system during playback Listening to messages using the handsetCalling back Caller ID subscribers only Erasing all messagesVoice memo Remote access codeRemote operation Recording a voice memoRemote commands Using the answering system remotelyVoice guidance Turning on the answering system remotelyFor voice mail service subscribers Answering system settingsNumber of rings before the unit answers a call Caller’s recording timeMessage alert Storing the voice mail VM access number Voice mail service for landlineTo erase the voice mail access number Voice mail VM tone detectionTurning VM tone detection on/off Listening to voice mail messagesHandset locator IntercomMaking an intercom call Answering an intercom callConference calls Transferring callsBase unit KX-TG7621 series Wall mountingHooks Base unit KX-TG7641 seriesTo remove the wall mounting adaptor To stand on a desk ChargerCause/solution Error messagesDisplay message General use Problem Cause/solution TroubleshootingCannot hear a dial tone Battery recharge Problem Cause/solution Programmable settings Problem Cause/solutionMaking/answering calls, intercom Problem Handset or base unit does not ring Caller ID/Talking Caller ID Problem Cause/solution Feet. The connection may be subject to Using Bluetooth devices Problem Cause/solutionAnswering system Problem Liquid damage Problem Bluetooth PIN Problem Cause/solutionFCC and other information FCC RF Exposure Warning Correcto Incorrecto Guía Rápida EspañolaUnidad base AuricularTecla navegadora Auricular Teclas de funciónUnidad base serie KX-TG7641 Idioma de la pantalla AuricularGuarda s OFF Fecha y hora AuricularSu teléfono celular Cómo registrar un teléfono celular con Bluetooth AuricularOFF Nota Marcas registradasAuricular enlace a elementos de la pantalla del celular Unidad base Indicadores Cell 1/CELL Estado SignificadoPara conectarlo o desconectarlo Cómo conectar o desconectar manualmente el teléfono celularCómo hacer y contestar llamadas Auricular CELPara hacer una llamada celular Para ajustar el volumen del timbre auricularCell 1/CELL Para hacer una llamada celular Cell 1/CELLDirectorio telefónico compartido OFFSelec Para hacer una llamada terrestreCuando aparezca el menú Selec. modo Para copiar desde otros teléfonos celulares no registradosTeléfono celular Registro Cómo registrar un audífono en la unidad base Su audífonoSerie KX-TG7641 Serie KX-TG7621Auricular Menu Pregunta Causa y solución¿Es posible mantener Or, contact us via the web at Customer servicesTTY users hearing or speech impaired users can call Ship-In Service Warranty For United States and Puerto RicoPanasonic Corporation of North America One Panasonic Way, Secaucus, New JerseyLimited Warranty Limits And Exclusions Index Index Page For your future reference Read troubleshooting page in the Operating Instructions
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KX-TG7622, KX-TG7642, KX-TGA410B, KX-TG7645, KX-TG7623B specifications

The Panasonic KXTG7622B, KX-TG7624SK, and KXTG7623B are part of Panasonic's KX-TG series of cordless telephones, known for their advanced features, exceptional sound quality, and user-friendly design. These models cater to a variety of communication needs, making them ideal for both home and office environments.

One of the standout features of the KXTG7622B and its counterparts is the DECT 6.0 technology. This digital enhanced cordless technology provides improved audio quality and greater range, ensuring clear conversations without dropout or interference. The DECT technology also helps extend the battery life of the handsets, allowing for long hours of talk time and standby capabilities.

The KXTG7622B is designed with a large, backlit LCD display that is easy to read, making it convenient for users to navigate menus and access phonebook entries. With its programmable features, users can customize the phone according to their needs. The easy-to-use interface allows for quick access to features such as caller ID, call waiting, and a built-in answering machine.

For those who require more than one handset, the KX-TG7624SK model comes with additional handsets that can seamlessly communicate with the base unit. This feature is particularly useful for larger homes or offices, where multiple users may require access to the phone line. The KXTG7623B variant also accommodates multiple handsets, enhancing overall accessibility and convenience.

In terms of functionality, these models support several useful features such as voice enhancement technology, which significantly improves call quality by reducing background noise. The panasonic KXTG series also includes a range of ringtones and the ability to mute calls quickly, adding to the user experience.

Another noteworthy characteristic is the phone’s energy efficiency. The models are designed to consume less power during operation, contributing to lower electricity bills and environmental sustainability. Panasonic’s commitment to reducing its environmental footprint is evident in the materials used for these phones, which are often recyclable.

In conclusion, the Panasonic KXTG7622B, KX-TG7624SK, and KXTG7623B combine modern technology with convenience features to deliver reliable communication solutions. With their user-friendly design, enhanced sound quality, and energy-efficient performance, these cordless phones stand out in the market, making them an excellent investment for anyone looking to improve their home or office telecommunications.
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