购买家用电话机在选择好外型后,必须考虑其有无国家有关部门认可的入网资格,以及查明问清其厂名、话机型号、设备序号和保修时间与范围。有条件最好当场试一下话机的各项功能和通话的清晰度。 根据目前市场上销售的机种,以及我国电话通讯的现状和发展趋势分析,建议您在购置话机时,选择以下的功能: After the purchase of home phone to choose a good appearance, we must consider whether it has the national network approved by the relevant departments eligible, and find out its name, phone models, equipment serial number and warranty time and scope. Conditional best on the spot to try the various functions of the phone and call clarity. According to the models currently on the market, as well as the status quo and development trend of China’s telephone communications, we recommend that you purchase the phone, select the following features: