电话机标准和进网质量检验要求何健强电话机是电话网中应用最广，数量最大的终端没备。它的质量好坏直接影响到广大用户对整个通信传输系统的质量评估，关系到电话网的服务质量水平。目前国际上没有统一的电话机国际标准。因此，电话机标准向国标靠拢的问题，主要体现在按... Telephone standards and network quality inspection requirements He Jianqiang telephone network is the most widely used telephone network, the largest number of terminals not prepared. Its quality has a direct impact on the quality of the entire communication transmission system evaluation of the majority of users, related to the quality of telephone network service level. At present, there is no unified international standard for telephone sets. Therefore, the phone standard closer to the national standard, mainly reflected in the press ...