Question about Cell Phones
If sounds like DTMF is turned off on your phone. If it is then it is not sending the correct tone over the air which is why nothing happens.
Actually the number you press are usually sent as DTMF tones.
During a call, your phone automatically locks the touch screen to prevent accidental inputs. To unlock, press the Hold key..
During the call just select option and you should see send DTMF, click on the number you want to use and click send..It should send DTMF tones
Please leave me comment, if you need further assistance
Posted on Oct 04, 2009
What is the make and model of the device/equipment which has no key pad? It is also possible that a standard touch tone phone may be required in order to call 400. But please let me know the make and model.
Posted on Oct 03, 2009
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Posted on Jan 02, 2017
Tips for a great answer:
Apr 17, 2016 | Cell Phones
Mar 13, 2015 | Uniden DECT 6.0 Cordless Phone ID
Feb 15, 2013 | tracfone.com
Mar 05, 2011 | Panasonic KX TG4031 Cordless Phone
This section explains the remote access process for use with any touchtone
1. Dial the phone number for the answering machine.
2. After the answering system answers, press any numbered key on the
touch-tone pad to bypass the outgoing announcement, or wait until
the announcement finishes.
3. Enter the security code after you hear the tone.
4. Follow the voice menu to use the answering machine's remote functions.
The remote feature enables you to perform the following functions:
To Press this button
Review message 1
Play back messages 2
Stop message play back 2
Erase message 0
(during message playback)
Skip message 3
Turn off/on answerer 4
Review voice menu options 7
No valid dialing tones for 15 seconds will hang up the telephone line.
You can get the manual on the link below if you need page 31.
Dec 04, 2010 | GE Spacemaker 26976 Cordless Phone
Jul 23, 2009 | Panasonic KX-TG5776S Cordless Phone
Feb 01, 2008 | NorStar T7316E Corded Phone
Nov 27, 2007 | GE 27851 Cordless Phone
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