code: public void setFormatMap(RTPFormats rtpFormats) {
  		if (rtpFormats.find(AVProfile.telephoneEventsID) != null)
  			sendDtmf = true;
  		else
  			sendDtmf = false;
  
  		this.rtpHandler.flush();
  		this.rtpFormats = rtpFormats;
  	}
docs: Modifies the map between format and RTP payload number
  
  @param rtpFormats
  the format map