Lines Matching refs:DTMF
2457 // 6: the strategy DTMF is active on the output:
2458 // use device for strategy DTMF
2508 case AudioSystem::DTMF:
2569 // when off call, DTMF strategy follows the same rules as MEDIA strategy
2573 // when in call, DTMF and PHONE strategies follow the same rules
