Systems, methods, and apparatus for enabling audio transmission within a communications session

1. A method to disable audio transmission within a full-duplex communications session, comprising:

joining the full-duplex communications session;

disabling, at a first time, audio transmission within the full-duplex communications session;

detecting, at a second time after the first time, that an audio transmission enable control is in a first state;

enabling audio transmission within the full-duplex communications session in response to the detecting that the audio transmission enable control is in the first state;

detecting, at a third time after the second time, that the audio transmission enable control is in a second state; and

disabling audio transmission within the full-duplex communications session in response to the detecting that the audio transmission enable control is in the second state.

2. The method of claim 1 , wherein the audio transmission enable control is a physical control biased in the second state.

3. The method of claim 1 , wherein:

the audio transmission enable control is a physical button that is biased in the second state;

the first state is a depressed state of the physical button; and

the second state is a released state of the physical button.

4. The method of claim 1 , wherein:

the audio transmission enable control is a virtual button that is biased in the second state;

the first state is a selected state of the virtual button; and

the second state is a released state of the virtual button.

5. The method of claim 1 , wherein the audio transmission enable control is biased in the second state, the method further comprising:

selecting a control from a plurality of controls as the audio transmission enable control in response to input from a user.

6. The method of claim 1 , further comprising:

determining, before the first time, that the full-duplex communications session is a full-duplex conference communications session, the disabling audio transmission at the first time being in response to the determining that the full-duplex communications session is a full-duplex conference communications session.

7. A non-transitory processor-readable medium storing code representing instructions to cause a processor to perform a process, the process comprising:

joining a full-duplex communications session including a plurality of communication devices;

inhibiting audio transmission at a first time;

detecting a first signal associated with a transition of an audio transmission enable control from a first state to a second state;

enabling audio transmission in response to the first signal;

detecting a second signal associated with a transition of the audio transmission enable control from the second state to a first state, the transition of the audio transmission enable control from the second state to a first state being a complementary transition of the transition of the audio transmission enable control from the first state to the second state; and

inhibiting audio transmission in response to the second signal at a second time after the first time.

8. The non-transitory processor-readable medium of claim 7 , wherein the audio transmission enable control is a physical control biased in the first state.

9. The non-transitory processor-readable medium of claim 7 , wherein:

the audio transmission enable control is a virtual button that is biased in the first state;

the first state is a released state of the virtual button; and

the second state is a selected state of the virtual button.

10. The non-transitory processor-readable medium of claim 7 , wherein the audio transmission enable control is biased in the first state, the process further comprising:

designating, in response to input from a user, a control from a plurality of controls as the audio transmission enable control.

11. The non-transitory processor-readable medium of claim 7 , the process further comprising:

determining, before the first time, that the full-duplex communications session is a full-duplex conference communications session, the disabling audio transmission at the first time being in response to the determining that the full-duplex communications session is the full-duplex conference communications session.

12. The non-transitory processor-readable medium of claim 7 , the process further comprising:

receiving an audio signal;

determining that the audio signal satisfies an audio signature; and

transitioning the audio transmission enable control from the first state to the second state in response to the determining.

13. The non-transitory processor-readable medium of claim 7 , the code further comprising code to:

receive a first audio signal;

determine that the first audio signal satisfies an audio signature;

transition the audio transmission enable control from the first state to the second state in response to the determining;

receive a plurality of audio signals after transitioning the audio transmission enable control from the first state to the second state; and

transition the audio transmission enable control from the second state to the first state after expiry of a predetermined period following a last audio signal from the plurality of audio signals.

14. A system to disable audio transmission within a full-duplex communications session, comprising:

an audio input module to receive audio signals;

an audio output module to generate audio signals;

a user input module; and

a communications session manager operatively coupled to the audio input module, the audio output module, and the user input module and operable to:

manage the full-duplex communications session,

inhibit audio signals received via the audio input module from the communications session following a determination that an audio transmission enable control at the user input module is in a biased state, and

provide audio signals received via the audio input module to the communications session following a determination that the audio transmission enable control at the user input module is in an unbiased state.

15. The system of claim 14 , wherein:

the audio transmission enable control is a button;

the biased state is a released state; and

the unbiased state is a selected state.