Does a cellphone have a dial tone? Mobile cellphone never have a dial tone. Before the cellphone came into common usage, a dial tone on a landline told you that the line was available; however, it is ...

PORTLAND — Sunday, March 10, is National Landline Telephone Day, marking the date when Alexander Graham Bell made his first phone call in 1876. The invention gradually became ubiquitous, and today ...

In the case of a landline phone, a DC voltage is supplied by the telephone exchange. When the subscriber picks up the handset, the dial tone is heard due to this ...

Pick up the phone in your home, listen for a few seconds, and think about what a dial tone means to you. It’s an easy thing to take for granted. But this deceptively simple sound may figure far more ...

Pick up the phone in your home, listen for a few seconds, and think about what a dial tone means to you. It’s an easy thing to take for granted. But this deceptively simple sound may figure far more ...

No dial tone. Ah, we probably just left one of the phones off the hook last night. We’re always doing that to guard nighttime and naptime. Our family and friends hate it, but, hey, in the house of a 3 ...

Why are we asking for donations? Why are we asking for donations? This site is free thanks to our community of supporters. Voluntary donations from readers like you keep our news accessible for ...