Mangga baca bagian di handap ieu, tuluy ngajawab patarosan dina basa nu sarua jeung bagian: Passage: The GTP-C protocol is the control section of the GTP standard. Lamun hiji palanggan menta hiji PDP context, SGSN bakal ngirimkeun create PDP context request GTP-C message to the GGSN giving details of the subscriber's request. The GGSN will then respond with a create PDP context response GTP-C message which will either give details of the PDP context actually activated or will indicate a failure and give a reason for that failure. Ieu téh mangrupa pesen UDP dina port 2123. Patarosan: Naon anu dibikeun ka palanggan nalika gagal dituduhkeun?
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