信令流程(已修改)
2025-03-02 21:26 本頁面
【正文】 信令流程 主叫流程（一） MS BSC Channel activation ack Channel activation Encryption mand Channel required Complete Layer 3 Info. Authentication request Call proceeding Cipher Mode Complete SABM(cm_serv_req) Immediate assign mand establish indication BTS Channel request UA(cm_serv_req) Cipher Mode Command Immediate assignment MSC Authentication response Setup Cipher Mode Command Cipher Mode Complete 主叫流程（二） MS BSC BTS MSC Assignment Request Channel activation ack Assignment mand establish indication Assignment Complete Assignment Complete Deactivate SACCH Release request Release confirm RF Channle release RF Channel release ack Alerting Connect Connect acknowledge SABM UA Channel activation 主叫流程（三） MS BSC BTS MSC Channel Release Release Complete Release Clear Command RF Channle release DISC Deactivate SACCH RF Channel release ack Release Indication UA Disconnect Clear Complete 被叫流程（一） MS BSC BTS MSC Channel activation ack Channel activation Encryption mand Channel required Complete Layer 3 Info. Authentication request Call confirm Cipher Mode Complete SABM(pag_resp) Immediate assign mand establish indication Channel request UA(pag_resp) Cipher Mode Command Immediate assignment Authentication response Setup Cipher Mode Command Cipher Mode Complete Paging Command Paging Request Paging 被叫流程（
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