| |||
| స్పర్శ టోన్ (A form of dialing that uses multiple-tone signaling. The user hears a series of tones (beeps) when dialing) | |||
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touchtone : 2 phrases in 1 subject |
| Microsoft | 2 |
| |||
| స్పర్శ టోన్ (A form of dialing that uses multiple-tone signaling. The user hears a series of tones (beeps) when dialing) | |||
|
touchtone : 2 phrases in 1 subject |
| Microsoft | 2 |