Lines Matching refs:DTMF
2456 // 6: the strategy DTMF is active on the output:
2457 // use device for strategy DTMF
2507 case AudioSystem::DTMF:
2568 // when off call, DTMF strategy follows the same rules as MEDIA strategy
2572 // when in call, DTMF and PHONE strategies follow the same rules
