ETSI PRETS 300 392-3-4-2000 陆地集群无线电(TETRA).语音加数据(V+D).第3部分:系统间接口的互通(ISI).第4子部分:附加网络特性短数据业务(ANF-ISISDS)
Terrestrial Trunked Radio (TETRA); Voice Plus Data (V+D) Part 3: Interworking at the Inter-System Interface (ISI); Sub-Part 4: Additional Network Feature Short Data Service (ANF-ISISDS)