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Why Do We Need Landline Telephone At Home?

You May Have Considered Eliminating Your Home Telephone And Replacing It With a Cell Phone Or Internet-Based System Such As A Digital Phone Or VOIP phone. But In Fact, The Landline Telephone Is A Very Reliable Communication Device And Offers Some Valuable Advantages.

 

The Corded Landline Telephone Does Not Require Electricity And Could Be Your Back-Up Method Of Communication When Power Outage, So You Will Be Able To Stay Connected With The Outside World Even During The Tornado, Blizzard, Ice Storm Or Heavy Winds. Cordless Phones Require Electricity And Will Not Continue To Work During a Power Outage. Cellular Systems And Towers Are Not Required To Provide Backup Power, So Cell Phones May Not Operate During a Power Outage Either.

 

And In An Emergency, Your Landline Identifies Your Exact Location, So Emergency Personnel Know Immediately Where To Respond. Cell Phone Locations Can Only Be Identified Via The Nearest Cell Tower, Meaning That First Responders Can Only Get a Broad Area, Not Your Exact, Pinpointed Location.

 

Landline Phone Service Consistently Offers The Highest Quality Voice Transmission, Without The Worry Of Dropped Calls, And It Can Not Be Hacked. You Can Be Assured That You Will Get The Same Quality Anywhere Throughout Your House.

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How Do Corded Telephones Work?
1. A Hook Switch, Which Connects And Disconnects The Phone From The Network;
2. A Speaker, Which Can Be Used Without Picking Up a Handset And Several People Can Participate In a Call At The Same Time;
3. A Microphone, Through Which Sound Waves From Your Voice Compress And Decompress The Granules, Changing The Resistance And Modulating The Current Flowing Through The Microphone.
What is FSK/DTMF system and why do we need it?
FSK is Frequency-Shift Keying and DTMF is Dual Tone Multi-Frequency, they are data transmission formats that carry caller information and caller ID detect systems. DTMF transmits the caller’s number; FSK is a more recent format for the transmission of caller’s number, or caller’s number and name depending on the network. Caller ID service depends on these data transmission formats being supported by the phone. In addition end users need to subscribe to these services with their local service provider.
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