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Includes operating instructions for calls, equalizer, audio assist, directory functions, caller ID history, and answering system settings and controls.",{"@graph":14,"@context":71},[15,34,54],{"@type":16,"itemListElement":17},"BreadcrumbList",[18,23,27,31],{"item":19,"name":20,"@type":21,"position":22},"https://docshare.wps.com","Home","ListItem",1,{"item":24,"name":25,"@type":21,"position":26},"https://docshare.wps.com/document/","Document",2,{"item":28,"name":29,"@type":21,"position":30},"https://docshare.wps.com/document/technology/","Technology",3,{"item":32,"name":10,"@type":21,"position":33},"https://docshare.wps.com/document/cl4940-big-buttonbig-display-telephone-answering-system-with-caller-id-call-waiting/674683/",4,{"url":32,"name":10,"@type":35,"image":36,"author":41,"headline":10,"publisher":44,"fileFormat":47,"inLanguage":8,"description":12,"dateModified":48,"datePublished":48,"encodingFormat":47,"isAccessibleForFree":49,"interactionStatistic":50},"DigitalDocument",{"url":37,"@type":38,"width":39,"height":40},"https://docshare.wps.com/thumbnails/cl4940-big-buttonbig-display-telephone-answering-system-with-caller-id-call-waiting/674683.png","ImageObject",300,407,{"name":42,"@type":43},"Indoniesian Boy","Person",{"url":19,"name":45,"@type":46},"DocShare","Organization","application/pdf","2026-11-04",true,{"@type":51,"interactionType":52,"userInteractionCount":4},"InteractionCounter",{"@type":53},"ViewAction",{"@type":55,"mainEntity":56},"FAQPage",[57,63,67],{"name":58,"@type":59,"acceptedAnswer":60},"How do I find the model and serial numbers for the CL4940?","Question",{"text":61,"@type":62},"The model and serial numbers are on the bottom of the telephone base.","Answer",{"name":64,"@type":59,"acceptedAnswer":65},"What installation options are supported for the CL4940?",{"text":66,"@type":62},"The manual lists installation options for tabletop and wall mount configurations, including tabletop to wall mount installation and wall mount to tabletop installation.",{"name":68,"@type":59,"acceptedAnswer":69},"Which settings can I configure on the CL4940?",{"text":70,"@type":62},"You can set date/time, ringer volume, language, LCD contrast, and dial mode under Telephone settings.","https://schema.org",{"og:url":32,"og:type":73,"og:title":10,"og:site_name":45,"og:description":12},"article",{"robots":75,"canonical":32},"index,follow",{"doc_id":77,"site_id":7},674683,1793765937,{"code":4,"msg":80,"data":81},"success",[82,86,90,94,99,103,108,113,118,121,125],{"id":22,"doc_module":4,"doc_module_name":25,"category_name":83,"show_sort_weight":84,"slug":85},"Story & Novel",90,"story-novel",{"id":26,"doc_module":4,"doc_module_name":25,"category_name":87,"show_sort_weight":88,"slug":89},"Literature",80,"literature",{"id":33,"doc_module":4,"doc_module_name":25,"category_name":91,"show_sort_weight":92,"slug":93},"Exam",70,"exam",{"id":95,"doc_module":4,"doc_module_name":25,"category_name":96,"show_sort_weight":97,"slug":98},5,"Comic",60,"comic",{"id":100,"doc_module":4,"doc_module_name":25,"category_name":29,"show_sort_weight":101,"slug":102},6,50,"technology",{"id":104,"doc_module":4,"doc_module_name":25,"category_name":105,"show_sort_weight":106,"slug":107},7,"Healthcare",40,"healthcare",{"id":109,"doc_module":4,"doc_module_name":25,"category_name":110,"show_sort_weight":111,"slug":112},8,"Research & Report",30,"research-report",{"id":114,"doc_module":4,"doc_module_name":25,"category_name":115,"show_sort_weight":116,"slug":117},9,"Religion & Spirituality",20,"religion-spirituality",{"id":116,"doc_module":4,"doc_module_name":25,"category_name":119,"show_sort_weight":116,"slug":120},"World Cup","world-cup",{"id":122,"doc_module":4,"doc_module_name":25,"category_name":123,"show_sort_weight":122,"slug":124},10,"Lifestyle","lifestyle",{"id":126,"doc_module":4,"doc_module_name":25,"category_name":127,"show_sort_weight":95,"slug":128},19,"General","general",{"code":4,"msg":80,"data":130},{"doc_id":77,"user_id":131,"nickname":42,"user_avatar":132,"doc_module":4,"category_id":100,"category_name":29,"doc_title":10,"doc_description":12,"doc_content":133,"file_id":134,"file_url":135,"file_type":136,"file_size":137,"view_count":4,"is_deleted":4,"is_public":22,"is_downloadable":22,"audit_status":22,"page_count":138,"language":139,"language_code":8,"site_id":7,"html_lang":8,"table_of_contents":140,"faqs":141,"seo_title":142,"seo_description":12,"update_tm":78,"read_time":143},962090760608,"https://ap-avatar.wpscdn.com/davatar_276721f389ce27ea32af1340a28f341c","User’s manual  \nCL4940  \nBig button/big display telephone/ answering system with caller ID/ call waiting  \nCongratulations  \non your purchase of this AT&T product. Before using this AT&T product, please read the Important safety information section on page 52 of this manual. Please thoroughly read this user’s manual for all the feature operations and troubleshooting information necessary to install and operate your new AT&T product. You can also visit our website at [www.telephones.att.com](www.telephones.att.com) or call 1 (800) 222-3111. In Canada, dial 1 (866) 288-4268.  \nModel number: CL4940  \nType: Big button/big display telephone/  \nanswering system with caller ID/  \ncall waiting  \nSerial number:   Purchase date:   Place of purchase:   Both the model and serial numbers of your AT&T product can be found on the bottom of the telephone base.  \nSave your sales receipt and original packaging in case it is necessary to return your telephone for warranty service.  \n\n| Compatible with Hearing Aid T-Coil |\n| --- |\n| |\n| TIA-1083 |\n\nTelephones identified with this logo have reduced noise and interference when used with most T-coil equipped hearing aids and cochlear implants. The TIA-1083 Compliant Logo is a trademark of the Telecommunications Industry Association. Used under license.  \n© 2011 Advanced American Telephones. All Rights Reserved. AT&T and the AT&T logo are trademarks of AT&T Intellectual Property licensed to Advanced American Telephones, San Antonio, TX 78219. Printed in China.  \nParts checklist  \nYour telephone package contains the following items. Save your sales receipt and original packaging in the event warranty service is necessary.  \nTelephone base Handset Wall mount bracket  \nCoiled handset cord Power adapter Telephone line cord  \nUser’s manual Quick start guide  \nUser’s manual  \nCL4940  \nBig button/big display telephone/ answering system with caller ID/ call waiting  \nTable of contents  \nGetting started  \nQuick reference guide ........................... 1  \nInstallation ................................................... 3  \nTelephone installation ........................... 4  \nInstallation options.................................. 6  \nTabletop to wall mount installation ........................................ 6  \nWall mount to tabletop installation ........................................ 8  \nTelephone settings  \nTelephone settings................................10  \nSet date/time .....................................10  \nRinger volume ....................................11  \nLanguage ..............................................11  \nLCD contrast........................................12  \nDial mode .............................................12  \nTelephone operation  \nLine power mode (no AC power) ...13  \nTo make a call during a power failure ................................................13  \nTo answer a call during a power failure ................................................13  \nTelephone operation ............................14  \nMaking a call.......................................14  \nOn hook dialing (predialing)........14  \nAnswering a call................................14  \nSwitching between handset and speakerphone ...............................14  \nEnding a call........................................14  \nLast number redial ...........................15  \nEqualizer................................................15  \nOptions while on calls.........................16  \nVolume control ..................................16  \nCall waiting ..........................................16  \nMute.........................................................16  \nChain dialing .......................................17  \nAudio Assist® .......................................18  \nTemporary tone dialing .................18  \nDirectory  \nDirectory .....................................................19  \nDirectory memory capacity..........19  \nCharacter chart..................................19  \nCreate a new di","cbCaioc0RmacdE8G","https://ap.wps.com/l/cbCaioc0RmacdE8G","pdf",4367969,67,"English","# Getting started\n## Quick reference guide\n## Installation\n## Telephone installation\n## Installation options\n## Tabletop to wall mount installation\n## Wall mount to tabletop installation\n# Telephone settings\n## Set date/time\n## Ringer volume\n## Language\n## LCD contrast\n## Dial mode\n# Telephone operation\n## Line power mode (no AC power)\n## Making a call\n## On hook dialing (predialing)\n## Answering a call\n## Switching between handset and speakerphone\n## Ending a call\n## Last number redial\n## Equalizer\n## Options while on calls\n## Volume control\n## Call waiting\n## Mute\n## Chain dialing\n## Audio Assist®\n## Temporary tone dialing\n# Directory\n## Directory memory capacity\n## Character chart\n## Create a new directory entry\n## Review directory entries\n## Search by name\n## Display dial\n## Delete a directory entry\n## Edit a directory entry\n## Speed dial\n## Enter a speed dial number\n## Assign a speed dial number from the directory or caller ID log\n## Delete a speed dial number\n## Review a speed dial number\n## Dial a speed dial number\n# Caller ID\n## About caller ID\n## Information about caller ID with call waiting\n## Caller ID history\n## How the caller ID history (caller ID log) works\n## Missed (new) call indicator\n## Caller ID operation\n## Memory match\n## Review the caller ID history\n## View dialing options\n## Dial a caller ID log entry\n## Delete caller ID log entries\n## Save a caller ID log entry to the directory\n## Set area code\n## Reasons for missing caller ID information\n# Answering system\n## Answering system settings\n## Announcement\n## To turn on or off the answering system\n## Number of rings\n## Call screening\n## Message alert\n## Remote code\n## Priority code","[{\"question\":\"How do I find the model and serial numbers for the CL4940?\",\"answer\":\"The model and serial numbers are on the bottom of the telephone base.\"},{\"question\":\"What installation options are supported for the CL4940?\",\"answer\":\"The manual lists installation options for tabletop and wall mount configurations, including tabletop to wall mount installation and wall mount to tabletop installation.\"},{\"question\":\"Which settings can I configure on the CL4940?\",\"answer\":\"You can set date/time, ringer volume, language, LCD contrast, and dial mode under Telephone settings.\"}]","CL4940 - Big button/big display telephone/ answering system with caller ID/ call waiting | PDF",169]