What is an esn number for a cell phone? ESN stands for Electronic Serial Number and was/is used in the United States to identify cell phones that require a CDMA network for wireless service. ESNs are slowly being phased out in favor of the MEID, a longer number that is more similar to the IMEI number which is used in GSM and UMTS cell phones.Can cell phones receive international calls? International calls can be made from cell phones depending on your service provider. Making an international call from a cell phone is the most expensive calling option, but it's not as difficult as it sounds. Many cellular services are available for international calling.How do cell phone signal amplifiers work? Cell phone signal amplifiers absorb existing signals outside, and send those signals to the booster that amplifies it many times and then broadcasts it indoors. Most people experience dropped cell phone calls at least once a month, regardless of the network that they use, or the type of phone that they have.What is a cell phone ringtone? A polyphonic ringtone is a cell phone ringtone in which more than one note of a song are played at the same time.
Sale: $199.95. Quantity: Wheelock TB-593 Loud Indoor/Outdoor Bell Phone Ringer. Loud Indoor/Outdoor Bell Phone Ringer is an attention-getting telephone extension alert ( Up to 95+ dB ). Designed for use in noisy locations and/or for medium to large area coverage. Single-line applications only. Price: $149.95.