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You can make use of your house phone, pay phone or borrow a phone from another person. Make sure to ask for permission when using someone else’s phone. If the call immediately fails or goes to a mailbox to leave a message, the signal may have failed and you may need to try again or the phone is turned off and will not make a sound. If the phone is ringing but you do not hear a ringtone, a phone that is set to silent may be set to vibrate. Listen for a faint hum from your phone while moving around the house or area to make the device more audible. If placed in vibration mode you may hear it vibrating against other surfaces such as a table. Try to look around areas you use frequently. It is possible the device may have fallen behind a table, furniture or is buried under other objects which could make it difficult to hear the device.
Locate another phone. Call your phone number. Listen for your phone.