How come cell phones don't have dial tones?

Answer 1

Unlike a land-line your cellphone does not connect to the network until you press the send button when the digits you have dialed are sent to the switch digitally. When you pick up a land-line phone the dial-tone is sent out by the switch to indicate that it is "listening" for the touch-tones or pulses produced by your telephone. There really isn't a need for dial-tone when dialing voice calls as this is a throwback to early switch equipment that had a limited capacity of how many subscribers could be dialing calls at any one time. Sometimes picking up the receiver would result in a delayed dial tone or a re-order (fast busy signal) if the switch was near or over capacity. Modern digital switches rarely if ever exceed their capacity so one would almost always get a dial tone when picking up the receiver. Many people don't even listen for a dial tone before dialing anymore.

Answer 2

Dial tones only come from land lines.

Answer 3

wellness i artwork for ATT. the respond on your question would be you have what's observed as a short circuit on the line. frequently led to from a telephone off the hook or if there grow to be a typhoon presently then a telephone ought to are transforming into to be a surge inflicting the fast. it is the reason you're transforming into to be a hectic sign once you dial your quantity ( comparable theory as in case you have been on the telephone whilst somebody calls) . as a approaches via fact the dsl is going. it is going to nonetheless artwork over a short on the line because it incredibly works by potential of making a extreme frequency connection. as an occasion once you're on the telephone the it makes an entire circuit corresponding to a short and the dsl nonetheless remains related. the best thank you to seem at it is that your telephone line is robust on your place. To diagnose, unplug all telephones from the telephone jacks( telephones, fax, dish, even dsl modem.) Then plug each and each telephone in one at a time making valuable you get dialtone. Then press a quantity to interrupt dialtone , carry it up, then %. it up and make valuable the dialton comes lower back. As for cordless telephones they'll frequently reset themselves in case you unplug them from means after a couple of minutes. desire this enables you out . Sorry for being so long in a reaction yet see it regularly occurring and those are the stairs to determine it out . solid success. additionally in case you have ATT and pay the maintenance plan they'll restoration it for loose. Its area of your month-to-month expenditures.

Answer 4

the dial tone is not nessesary, even on a land line it is only there to let you know the phone is off the hook

Answer 5

coz that person on silent dial tone lo

Answer 6

Because you dial the number before it is taken off the "hook".

Answer 7

coz there not fixed onto one line. land lines are perminenet and you rent the line. a cell phone has to use the waves in the air

Answer 8

There is no continuous electrical flow. It is activated for use like all dry cell powered products.

Answer 9

I think it will be the greatest cell phone in the world..

Answer 10

Have to press SEND button before it connects to network.