Store and forward encoders can be a programmable microphone or two-way radio, a stand-alone encoder such as the ENC-3300, or part of a large law enforcement dispatch console. You “Store” the DTMF code into the device when you program it, then “Forward” it to send the entire DTMF code as one complete DTMF string of numbers and characters. An automated encoder is also called a “Store and Forward” encoder.
To send the digits quickly (40/40) you need to be using an automated encoder since you could not press each button by hand that fast. Mark and Space refer to the duration a DTMF tone is produced, as well as the duration of the silence between individual digits.Ĭlick here for additional information on Mark & Space timing. This is being sent at a slower rate, but would still activate equipment watching for this code. Listen to a DTMF command code being send by an encoder at a standard rate. **Please note that some Voice over IP (VOIP) systems can have trouble recognizing the tones, for those systems try a longer key press allowing enough time for the system to register the tone.The extra codes are very useful in preventing standard telephone codes from being used to control remote devices, and can give you override status when used correctly in a two-way radio system. Unlock Dialer Pro features such as unlimited favorites, and the ability to set the dial tone length and pause length (for commas).
Volume is controlled by your devices volume buttons, so you can easily turn it up or down for just the right volume of your tones. Some other devices also use DTMF tones to configure, Dialer is great for these as well. Commas act as pauses during the dialing tone sequence to allow time for prompts and other delays. To dial, you hold your phone's speaker up to a telephone handset or microphone and play the tone by pressing a button or by selecting one of your saved favorites.įavorites allow you to store a number you dial repeatedly such as calling cards or teleconference numbers for quick dialing on a landline, simply hold up your iPhone speaker to the landline telephone's microphone or handset and press dial. Pressing a button generates a DTMF tone which tells the telephone system to dial that number. Unlimited favorites when you purchase the Pro upgrade!ĭialer works with any Plain Old Telephone System (POTS) Landline phone that accepts DTMF tones.
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