38 lines
820 B
Plaintext
38 lines
820 B
Plaintext
[global]
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title "Mobile Originated (MO) call: Roaming case"
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[entities]
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ms "MS (Caller)"
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bts "BTS"
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bsc "BSC"
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vmsc "MSC/VLR"
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hlr "HLR/AUC"
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b "B (Called)"
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[messages]
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ms bts "L1 RACH burst"
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bts bsc "RSL CHAN RQD"
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bsc bts "RSL CHAN ACT REQ"
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bts bsc "RSL CHAN ACT ACK"
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bsc bts "RSL IMM ASS CMD"
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bts ms "RR IMMEDIATE ASSIGN"
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ms bsc "CM SERVICE REQ"
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bsc vmsc "COMPL L3 INFO (CM SERV REQ)"
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vmsc hlr "MAP SEND AUTH INFO req"
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hlr vmsc "MAP SEND AUTH INFO resp"
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vmsc ms "MM AUTH REQ"
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ms vmsc "MM AUTH RESP"
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vmsc bsc "BSSMAP CIPH MOD CMD"
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bsc bts "RSL ENCR CMD"
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bts ms "RR CIPH MOD CMD"
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ms vmsc "RR CIPH MOD COMPL"
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ms vmsc "CC SETUP[MSISDN]"
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vmsc b "ISUP IAM[MSISDN]"
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b vmsc "ISUP ACM"
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vmsc ms "CC ALERTING"
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b vmsc "ISUP ANM"
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vmsc ms "CC CALL CONFIRMED"
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ms b "Open Voice Channel" both dashed
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ms vmsc "CC DISC IND"
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vmsc b "ISUP REL"
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