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DUAL TONE MULTI-FREQUENCY (DTMF) The keys on the keypad function as DTMF keys; the 12 keys found on a push-button telephone plus 4 additional keys (A, B, C, D). This transceiver provides 10 dedicated memory channels. You
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Document Date: 2017-01-02 19:32:00
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DUAL TONE MULTI-FREQUENCY (DTMF) The keys on the keypad function as DTMF keys; the 12 keys found on a push-button telephone plus 4 additional keys (A, B, C, D). This transceiver provides 10 dedicated memory channels. You