Vanguard Managed Solutions Vanguard 6435 - Handbuch (Seite 30)

1-12 About the Vanguard 6435/6455
PRI Supplementary Service
Figure 1-8. Facilities Messages
Figure 1-9. Connectionless Message
Frame Relay
QSIG
QSIG
PBX
PBX
QSIG
101
201
401
PBX
3) PBX @201 sends Facility Message to Signal Forwar ded Sta
te
2) User @101 Call User @201
4) PBX @101 tears down call @
201 an
d plac
es new
call to U
ser @401
1) User @201 has calls
forwarded to User @401
Frame Relay
QSIG
QSIG
PBX
PBX
QSIG
101
201
401
PBX
2) PBX @201 transfers call to Voice Mail
3) Connections Message sent to lig
ht Me
ssage
Light
1) User @201 calls
User @401, No Answer