Small tool to generate ladder diagrams for network protocols. obsoleted by mscgen.
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38 lines
787 B

title "Early call forwarding - subscribe detached from VLR"
a "A-party"
gmsc "GMSC/gsmSSF"
hlr "HLR"
vmsc "VMSC"
scf "gsmSCF (MT)"
scf_f "gsmSCF (MF)"
c "C-party"
a gmsc "ISUP IAM [MSISDN]"
gmsc hlr "MAP SRI [MSISDN]"
hlr gmsc "MAP SRI-Res [T-CSI]"
gmsc scf "CAP IDP [MSISDN]"
scf gmsc "CAP CUE"
gmsc hlr "MAP SRI [MSISDN]"
hlr vmsc "MAP PRN [IMSI]"
vmsc hlr "MAP PRN-Res [IMSI]"
hlr gmsc "MAP SRI-Res [FTN-NRc, O-CSI]"
gmsc scf_f "CAP IDP [FTN-NRc]"
scf_f gmsc "CAP RRB [O-Answer, O-Disconnect]"
scf_f gmsc "CAP CUE"
gmsc c "ISUP IAM [FTN-NRc]"
c gmsc "ISUP ACM"
gmsc a "ISUP ACM"
c gmsc "ISUP ANM"
gmsc scf_f "CAP ERB [O-Answer]"
gmsc a "ISUP ANM"
c gmsc "ISUP REL"
gmsc scf_f "CAP ERB [O-Disconnect]"
gmsc a "ISUP REL"