MCPC-TR-002 Hands-Free Profile 1.5 Application Guideline ...

©Copyright 2006-2011 Mobile Computing Promotion Consortium (MCPC)MCPC TR-002 Hands-Free Profile 1.5 Guideline Version 1.514.7 Recommendations for Response and HoldRecommendations for Response and HoldItem HFP Recommendation ReasonHolding tone 4.29.2 If the SDP record of the AG or +BSIR resultcode shows that in-band ring tonecapability is off, it is recommended the HFgenerate holding tone.Holding toneswitch timing (noin-band ringing)4.29.2 When there is an incoming call with no inbandring and the HF puts an incoming callon hold, the HF switches generating tonefrom ring tone to holding tone.It is recommended the HF switch tonewhen a proper result code is transmitted tothe HF.If the AG cannot transmit itsgenerating tone over audioconnection, the HFgenerates holding tone.To define the timing toswitch audio path in the HF.HF timing of audioswitching inaccepting a heldcall (no in-bandringing, audiopresent)HF timing of audioswitching inincoming call (noin-band ringing,audio absent)HF timing of audioswitching inrejecting orterminating a heldcall (no in-bandringing, audiopresent)HF timing to stoplocal holding tone(no in-bandringing, audioabsent)4.29.4 When there is audio connection and a HFheld call with no in-band ringing, the HFoutputs local holding tone.About accepting the held call from the HF, itis recommended the HF switch the audiopath from local holding tone to audio onaudio connection when a proper resultcode is transmitted to the HF.4.29.4 When there is no audio connection and anincoming call with no in-band ringing, theHF outputs local holding tone.About accepting the held call from the HF, itis recommended the HF switch the audiopath from local holding tone to audio onaudio connection when audio connection issetup.4.29.6 When there is audio connection and a HFheld call with no in-band ringing, the HFoutputs local holding tone.About rejecting the held call from the HF orterminating the held call from the caller, it isrecommended the HF switch audio pathfrom local holding tone to audio on audioconnection when a proper result code istransmitted to the HF.4.29.6 When there is no audio connection and aHF held call with no in-band ringing, the HFoutputs local holding tone.About rejecting the held call from the HF orterminating the held call from the caller, it isrecommended the HF stop local holdingtone when a proper result code istransmitted from to the HF.To define the timing toswitch audio path in the HF.To define the timing toswitch audio path in the HF.To define the timing toswitch audio path in the HF.To define the timing toswitch audio path in the HF.9