Neo_WM620 WCDMA Module AT Command SetCopyright © Neoway Technology Co., Ltd 264.4 Call Answering: ATADescription To answer the call and establish a call connectionThe return codes containing RING or +CRING indicate an incoming call.Format ATAParameter N/AReturnValueSPEECH ON OK If the call is hung up on the other side during the call, the command returns: SPEECH OFF RELEASE NO CARRIER Example ATASPEECH ONOKAnswer the call.Remarks N/A4.5 Hanging Up Calls: ATHDescription To hang up all call linksFormat ATHParameter N/AReturnValue SPEECH OFF RELEASE OK Example ATHSPEECH OFFRELEASEOKEnd all call connections.Remarks N/A4.6 Sending DTMF Tone: +VTSDescription To send the DTMF toneOnly for voice services in GSM
