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Toll-Free (8XX)
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Toll-Free (8XX) fields
TCAP / query
4B
Dialed 8XX
8B
Translated DN / CIC
8B
Time / percent
4B
Return code
2B
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Toll-free translation
Editable source
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SS7 / SIGTRAN signaling hop
SSP A
STP
SSP B
MTP3 MSU
DPC/OPC
route
SCCP / TCAP
response
sip
h323
can-arb
isup
webrtc
ss7
generic