Small tool to generate ladder diagrams for network protocols. obsoleted by mscgen.
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gen_ladder/mt_call_roaming_core.lad

34 lines
686 B

[global]
title "Mobile Terminated (MT) call: Core network view"
[entities]
# define the entities in the system (in order)
a "A (Caller)"
gmsc "GMSC"
hlr "HLR"
vmsc "VMSC"
ms "MS (Called)
[messages]
# define the protocol messages in-order
a gmsc "ISUP IAM[MSISDN]"
gmsc hlr "MAP SRI[MSISDN]"
hlr vmsc "MAP PRN[IMSI]"
vmsc hlr "MAP PRN-Res[MSRN]"
hlr gmsc "MAP SRI-Res[MSRN]"
gmsc vmsc "ISUP IAM[MSRN]"
vmsc ms "CC SETUP"
ms vmsc "CC CALL CONFIRMED"
ms vmsc "CC ALERTING"
vmsc gmsc "ISUP ACM"
gmsc a "ISUP ACM"
ms vmsc "CC CONNECT"
vmsc gmsc "ISUP ANM"
gmsc a "ISUP ANM"
a gmsc "ISUP REL"
gmsc vmsc "ISUP REL"
vmsc ms "CC RELEASE"
ms vmsc "CC RELEASE COMPLETE"