code: @Override
  	public SenderNumber[] getSenderNumberList(String corpNum, String userID)
  			throws PopbillException {
  		
  		return httpget("/FAX/SenderNumber", corpNum, userID, SenderNumber[].class);
  	}
docs: /*
  (non-Javadoc)
  @see com.popbill.api.FaxService#getSenderNumberList(java.lang.String, java.lang.String)