Alcatel Carrier Internetworking Solutions 757 manual 19Troubleshooting

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19Troubleshooting ..........................................

Before contacting the after-sales service, we advise you to perform the following checks:

My mobile phone does not switch on

•Press until the screen comes on

•Check the battery charge level

•Check the battery contacts, remove and reinstall your battery, then turn your telephone back on

My phone does not respond since several minutes

•Press the key

•Remove the battery and re-insert it, then switch the phone back on

My screen is difficult to read

•Clean your screen

•Activate the backlighting

•Use your mobile phone in accordance with the recommended conditions of use

My mobile phone turns off by itself

•Check that your keypad is locked when you are not using your mobile phone

•Check the battery charge level

•Make sure the backlighting is not permanently activated

My mobile phone has a low level of autonomy

•Make sure that the battery saver mode is activated

•Make sure you respected the complete charge timing (minimum 3 hours)

•After a partial charge, the battery level indicator may not be exact. Wait for 20 minutes minimum after you remove the charger to obtain an exact indication

My mobile phone does not charge properly

•Make sure that your battery is not completely discharged; the battery charge indicator can take several minutes and may be accompanied by a quiet whistling sound

•Make sure charging is carried out under normal conditions (0°C +40°C)

•Make sure your battery is inserted. It must be inserted before plugging in the charger

•Make sure you are using an Alcatel battery and charger

•When abroad, check that the electrical current is compatible

My mobile phone does not connect to a network

•Try connecting in another location

•Verify the network coverage with your operator

•Check with your operator that your SIM card is valid

•Try selecting the available network(s) manually (see page 53)

•Try connecting at a later time if the network is overloaded

SIM card error

•Make sure the SIM card was correctly inserted (see page 13)

•Verify with your operator that your SIM card is 3V compatible; the old 5V SIM cards cannot be used

•Make sure the chip on your SIM card is not damaged or scratched

Unable to make outgoing calls

•Make sure you have dialled a valid number and press the key

•For international calls, check the country and area codes

•Make sure your mobile phone is connected to a network, and that the network is not overloaded or unavailable

•Check your subscription with your operator (credit, SIM card valid, etc.)

•Make sure you have not barred outgoing calls (see page 23)

Unable to receive incoming calls

•Make sure your mobile phone is switched on and connected to a network (check for overloaded or unavailable network)

•Check your subscription with your operator (credit, SIM card valid, etc.)

•Make sure you have not forwarded incoming calls (see page 23)

•Make sure that you have not barred certain calls

The caller’s name does not appear when a call is received

•Check that you have subscribed to this service with your operator

•Your caller has concealed his/her number

The sound quality of the calls is not optimal

•You can adjust the volume during a call by means of the key

•Check the radio reception icon level

I am unable to use the features described in the manual

•Check with your operator to make sure that your subscription includes this service

•Check to be sure this feature does not require an Alcatel accessory.

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Contents English Table of contents IntroductionPhoto/Video Safety and Use Traffic SafetyGeneral Information TH4relookUMGB22-10-04 22/10/04 812Your mobile KeysBattery charge level Main screen iconsMessage unread Keypad locked Roaming within your country of subscriptionGetting started Set-upSwitching on your telephone Switching off your telephoneCalls Making a callCalling your voicemail During the callReceiving a call Call log Conference callsCall memory Double line ALSMy Numbers BillingCall settings MY Settings MenuDirectory Consulting your directoryCreating a file Using voice tag Available optionsCreating a new directory Messages Assigning a ringtone to a directoryAssigning an image, an animation or a video to a file PrivacyReceiving and reading messages Symbols Go to the symbols table Predictive Creating and sending messagesMMS additional options Creating SMSOptions for sending your message GroupCreating MMS Specific keys Normal mode / Predictive mode Speed writing systemCreating Vox MMS Voice memo Parameters My Settings Delete messagesRingtones Create a distribution fileDisplay Battery saver Clock4 ON/OFF screens ZoomMore settings Set my shortcutsCustomising the keys Input mode Wap access featuresExtensions PrivacyTools DiaryCreating an appointment and programming an alarm Configure the diaryAlarm Creating a taskAlarms CalculatorConverter MemoryAlarms list Voice memoTone composer Infrared IrDAUsing a voice tag 10Tips & TricksVoice tag RecordServices Access WAP menuProgramming your access Direct access/profile access Gprs functionWAP browser options Media Album Album menuMy Images My Sounds Managing sounds, images and videosMy Videos Photo/Video Download new video clips, photos, soundsFormats and compatibility Photo applicationsPhoto settings Capture modeImage size FrameDirect access to the album Default folderOther direct access options from the photo shot screen QualityVideo applications Framing mode Recording modeWithout With soundPlaying mode CancelVideo Album Play Games & Applications Launch an applicationDownload an application Settings Java PushSound off While an application is runningCharacters and symbols table My One Touch services by TCL & Alcatel Mobile PhonesMaking the most of your mobile Alcatel One Touch PC suite17Telephone warranty Accessories 19Troubleshooting My mobile phone does not switch onEnglish 3DS10083AAAA

757 specifications

Alcatel Carrier Internetworking Solutions 757 is a robust and versatile networking device that serves as a pivotal solution for telecommunications and service providers. Designed to handle the evolving demands of modern communications, the 757 is part of Alcatel's broader commitment to delivering cutting-edge technology in network infrastructure.

One of the standout features of the Alcatel 757 is its scalability. The device is equipped to handle a wide range of traffic loads, ensuring that as a network grows, the solution can efficiently manage increased demands without compromising performance. This scalability is essential for providers looking to future-proof their infrastructure as they expand or adapt to changing technological landscapes.

The 757 utilizes advanced routing protocols, including IPv4 and IPv6, which are crucial for facilitating smooth communication across vast networks. With the transition to IPv6 becoming increasingly important, the 757’s capability to support dual-stack operations ensures service providers can maintain compatibility with both standards, enabling seamless connectivity and transition strategies.

In terms of technologies, the Alcatel 757 incorporates powerful Quality of Service (QoS) mechanisms. These ensure that critical applications receive the bandwidth and performance they require, thereby enhancing the overall user experience. By prioritizing voice, video, and data traffic, service providers can optimize their networks to meet customer expectations, particularly in environments that demand high reliability.

The device also boasts advanced security features, including built-in firewalls and support for IPsec VPNs. These security measures protect both the network and its users from potential threats, a necessary consideration in today’s cybersecurity landscape. The combination of routing intelligence and security is vital for service providers as they work to build trust with their customer base.

Moreover, the Alcatel 757 supports various network topologies and can integrate seamlessly into existing infrastructures. This adaptability allows for both retrofitting legacy systems and deploying new services, providing flexibility for operators at all stages of their network evolution.

User-friendly management interfaces and extensive monitoring capabilities contribute to the operational efficiency of the Alcatel 757. Network administrators can easily configure, manage, and troubleshoot the device through intuitive interfaces, reducing the complexities often associated with network management.

In conclusion, the Alcatel Carrier Internetworking Solutions 757 stands out for its scalability, advanced routing protocols, QoS capabilities, security features, and adaptability to different network topologies. These characteristics make it an ideal choice for telecommunications and service providers aiming to build resilient, high-performance networks that meet the demands of contemporary communication.
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