When you listen to a sound, you are listening to a vibration that moves and moves through the air. When you make a string phone, you talk to it and it makes the bottom of the glass vibrate and that ...

Call 101-74 from a PLDT landline, PLDT Landline Plus, PLDT payphone, or SMART cellphone. How do I reset my BT cordless phone? How to Reset a Landline Phone? Try to unplug the phone and let it sit for about 10 ...