Access and Terminals (AT); Short Message Service (SMS) for PSTN/ISDN Test Suites for SMS User Based Solution; Part 5: Test Suite Structure and Test Purposes (TSS&TP) user side for Data Link Layer (DLL) Protocol 2
接入和终端(AT);用于PSTN/ISDN测试套件的短消息服务(SMS) 用于基于SMS用户的解决方案;第5部分:数据链路层(DLL)协议2的测试套件结构和测试目的(TSS&TP)用户端