How to fix no signal indicator on my Huawei ETS2251?
If there is no signal indicator on the screen of your Huawei Cordless Telephone, you should: * Check whether the antenna has been installed properly. * Contact the carrier to check whether the signal covers the area.
What to do if my Huawei Cordless Telephone displays 'Sorry, the calling is out of service'?
If your Huawei Cordless Telephone displays the message “Sorry, the calling is out of service, please call later” when someone dials your number (but dialing out is normal), it might be due to the PC facsimile function. To resolve this, you need to turn off the PC facsimile function to receive incoming calls normally.
What to do if my Huawei ETS2251 Cordless Telephone displays a caller ID but doesn't ring?
If your Huawei Cordless Telephone displays a caller ID without ringing (but dialing out is normal), it may be due to the facsimile function. You need to turn off the facsimile function to receive incoming calls normally.
Why is the display screen OFF after the Huawei ETS2251 is turned on with external power adapter?
If the display screen remains off after turning on your Huawei Cordless Telephone with an external power adapter, it could be due to these reasons: * The voltage output by the power adapter may not meet the FWT's requirements. Check if the AC input is normal and verify that the power adapter is the one that came with the FWT. * The external voltage of the power adapter might be too low or unstable. Check the external voltage, or try powering the FWT with a battery instead.
Why is the display screen OFF after the Huawei ETS2251 is turned on without external power?
If the display screen is off after turning on your Huawei Cordless Telephone (without an external power adapter), the battery voltage may be too low. You should power on the FWT with a power adapter.
What does it mean when my Huawei ETS2251 Cordless Telephone screen sometimes displays no information after being turned off?
When your Huawei Cordless Telephone is turned off, it's normal for the screen to sometimes display no information. If you see a power supply indicator and a glittering battery indicator, it means the phone is charging the battery.
General| Brand | Huawei |
|---|---|
| Model | ETS2251 |
| Category | Cordless Telephone |
| Language | English |
General guidelines for handling and checking the device and its components.
Precautions for using the FWT near high-precision electronic devices.
Guidelines for using the FWT in healthcare facilities to avoid interference.
Safety recommendations for using the FWT while driving and during travel.
Conditions and locations to avoid for optimal FWT performance and safety.
Information on using the FWT for emergency calls and their reliability.
Safety precautions and handling instructions for the FWT battery.
Guidelines for safe and proper use of the FWT power adapter.
Rules for connecting and using the USB cable to avoid device damage.
Guidance on responsible disposal of package materials, batteries, and devices.
Details the complete set of fittings included in the FWT box for verification.
Information on optional indoor antennas for FWT installation.
Overview of the FWT's functionalities including phone book, call records, and messaging capabilities.
Describes the front view of the FWT and details each operating key and indicator.
Explains the icons displayed on the FWT screen and their meanings, including signal strength and battery status.
Step-by-step guide for connecting the FWT to an external power source.
Instructions for safely removing and installing the FWT's spare battery.
Procedure for inserting an R-UIM card into the FWT for network access.
Guidance on connecting the FWT to a PC via USB or serial cable for data services.
Instructions for installing an optional indoor antenna for improved signal reception.
Details on how to mount the FWT horizontally or vertically on a wall.
Checks to perform before using the FWT for the first time.
Steps to power on the FWT and confirm readiness for operation.
Explanation of working modes when an R-UIM card is inserted into the FWT.
Procedures for initiating calls using different methods supported by the FWT.
Instructions for making calls directly by dialing numbers, including different modes.
Steps to find and dial numbers stored in the FWT's phone book.
How to view and redial numbers from call history logs.
Method to dial numbers found within received or sent messages.
How to set up and use speed dial keys for quick calling.
Different ways to answer incoming calls on the FWT.
How to switch between handset and hands-free conversation modes.
Overview of additional services like three-way calling and call transfer.
Step-by-step guide for initiating and managing three-way calls.
Instructions on how to transfer incoming calls to another number.
How to adjust the earpiece and hands-free volume levels.
Procedure for powering down the FWT safely.
Steps to access the phone book feature on the FWT.
Option to choose between saving contacts to the FWT or the R-UIM card.
Process for adding new contact entries with numbers and names.
How to view and search for existing contacts in the phone book.
Instructions for editing existing contact details.
Methods for removing individual or all contacts from the phone book.
How to copy contact entries between the FWT and the R-UIM card.
Features for organizing phone book entries into different groups.
Steps to access the call history logs on the FWT.
How to view, dial, delete, or save received calls from the call record.
How to view, dial, delete, or save missed calls from the call record.
How to view, dial, delete, or save dialed calls from the call record.
Steps to access the messaging features of the FWT.
How to view new and existing messages in the inbox.
Guide to composing and sending new text messages.
Instructions for accessing voice messages through the FWT's mailbox.
Information on viewing sent messages and managing the outbox capacity.
Configuration options for message validity period and notification.
Steps to access the main settings menu of the FWT.
Adjusting general settings like ring and SMS volumes.
Detailed guide on setting ringtone and SMS alert volumes.
How to configure speed dial keys for specific phone numbers.
Setting up and using IP card information for making calls.
Configuring the FWT to automatically dial a number after a period of inactivity.
Enabling a password to restrict long-distance calls.
Customizing personal preferences such as language and password.
How to change the FWT display language to English or Chinese.
Steps to change the password for long-distance call locking.
Enabling or disabling automatic hyphenation for phone numbers.
Configuring up to three alarms with different scheduling options.
Selecting a preferred ringing type for incoming calls.
Accessing advanced configuration options for the FWT.
Adjusting the length of Dual-Tone MultiFrequency signals.
Enabling enhanced security and privacy for conversations.
Lists the available text input modes for alphanumeric characters and numbers.
Scenarios where text entry is required, such as adding contacts or editing messages.
Explains the interface and conventions for entering text on the FWT.
Detailed guide for using ABC and abc modes for uppercase and lowercase letters.
Instructions for typing words using the ENG and eng input modes.
Method for switching to and using the 123 input mode for numbers.
General guidelines for keeping the FWT clean, dry, and in good working condition.
Solutions for problems related to the display screen, signal, and time indicators.
Troubleshooting steps for call-related problems and network connectivity.
Provides key technical details including dimensions, weight, power, and environmental operating conditions.
Information about the specific model, its operating frequency, and core functions.
Defines abbreviations used in the manual, such as R-UIM.
To Next Page
