Luokka Puhelintekniikkabulgariaenglantiespanjaesperantohollantiitaliajapanikreikkalatinalatvialiettuanorjaportugalipuolaranskaruotsisaksasuomitanskaturkkitšekkiunkarivenäjäviro

1-800 1-900 1AESS 1AVSS 1BTSPS 1EAX 1ESS 1GBC 800 number 900 number answering machine autodial autodialer autopatch bat phone BlackBerry busy signal butt dial call collect callee caller ID calling card cell phone conference call cordless phone crossed line dial tone double talk DSLAM engaged tone ERC ex-directory fast busy signal fax

featurephone ghost call glare handphone handset hang up landline LEC leg machine mobile mobile device mobile phone mobile telephone mouthpiece off the hook on hold PABX party line payphone phone booth phone call phone number phone sex phone tag phonebook phreak phreaking port prank call premium-rate telephone number pulse dialing release

ring cadence ring out robocall rotary dial rotary phone sidetone smartphone speakerphone speed dial STD switchboard telemarket telemarketer telemarketing telephone telephone call telephone card telephone directory telephone line telephone number telephone operator telephone pole telephony tickey box touch-tone trimphone unlisted videophone voice mail voice message white pages wrong number yellow pages