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QSIG B Private Networking
Administration for Network Connectivity
CID: 77730 555-233-504 — Issue 1 — April 2000
384
• Authorization Codes
The authorization codes do not block routing because the routing of TSCs used for
QSIG MWI uses FRL 7.
• Automatic Alternate Routing (AAR)
AAR may be used to route the QSIG TSCs.
• Automatic Route Selection (ARS)
ARS may be used to route the QSIG TSCs.
• Call Coverage Features
The served user switch uses call coverage paths to route calls to users in the served
user switch to the AUDIX hunt group on the Message Center switch.
• Class of Restriction
QSIG MWI messages use the default COR of unrestricted.
• Class of Service
QSIG MWI messages use the default COS of unrestricted.
• Facility Restriction Levels and Traveling Class Marks
A QSIG MWI TSC always uses FRL 7 (unrestricted).
• Generalized Route Selection
GRS uses the “TSC” column on the Route Pattern form to select a preference for
carrying QSIG MWI TSCs.
• ISDN - QSIG - BRI
QSIG MWI is dependent on QSIG TSCs. QSIG MWI is possible over QSIG BRI
lines.
• Message Sequence Tracer
MST traces QSIG MWI messages.
• Off-Premises Station
If a DS1 is used to implement an off-premises station, QSIG MWI does not work
with the off-premises station. DS1 off-premise stations do not receive system
message waiting indicators.
• Uniform Dial Plan (UDP)
It is possible to route QSIG MWI messages by using UDP.