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T10/T20/T10H: Call Waiting

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The T10(H) and T20 telephones do have a FLASH button for call waiting features. If you have call waiting service and you hear the call waiting tone, press FLASH to accept the waiting call. There may be a short pause, and then you will hear the new caller. To return to the original caller, press "TALK/FLASH" again. Please note that call waiting is a service offered by your telephone provider, and you will need to contact them directly to subscribe.