GB/T 28500-2012
ActiveTechnical requirements of 900/1800MHz TDMA digital cellular mobile network signaling system NO.7 ISUP
900/1800MHz TDMA 数字蜂窝移动通信网No.7 ISUP信令技术要求
Application Summary AI generated
This standard specifies the technical requirements for the ISDN User Part (ISUP) of Signaling System No. 7 used in 900/1800MHz TDMA digital cellular mobile networks. It is applied in China's GSM mobile communication systems to ensure proper call setup, management, and release signaling between network elements such as mobile switching centers (MSCs) and gateway exchanges. The standard is essential for interoperability and reliable signaling in both domestic and international mobile network interconnections.
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