Precedence Of Query Types - Cisco BTS 10200 Softswitch Manual

Routing Types

Precedence of Query Types

Operators can choose different options among ACQ, ODBR, QoR, or a combination of these. Countries
starting with only ODBR or QoR may eventually transition to ACQ as more numbers become ported.
Therefore, during the transition, a given network or switch may be a combination of ACQ plus QoR or
ACQ plus ODBR.
The BTS LNP Profile tokens for ALL-CALLS-QUERY (ACQ), ONWARD-CALL-ROUTING (ODBR),
and QUERY-ON-RELEASE (QoR) give the operator complete flexibility to configure the BTS for any
possible combination in a mixed network by simply changing the LNP Profile tokens.
In general, ACQ takes precedence over ODBR, which takes precedence over QoR, and finally
LNP-TRIGGER. Note that a query due to ODBR or QoR requires the called DN status, in the
dn2subscriber table, to be PORTED-OUT. Note that for a query to result from LNP-TRIGGER=Y, the
dn2subscriber status cannot be PORTED-OUT (and either the ONWARD-CALL-ROUTING or
QUERY-ON-RELEASE must be Y).
Table 2-3
last four columns indicate whether a query is performed or another action, such as sending a REL for
QoR, on the respective originating, intermediate, donor, and recipient switches. Note the following for
Table
•
•
•
•
Table 2-3 Precedence of Query Matrix
LNP LNP Profile LNP Profile
Profile
ONWARD- QUERY-ON-
ALL-CALL- CALL- RELEASE
QUERY ROUTING
Y
Y
Y
Y Y
Y Y
Y
Y
Y Y
Y
Cisco BTS 10200 Softswitch Dial Plan Guide, Release 4.5.x
2-24
illustrates query type precedence. The first five columns indicate configuration values, and the
2-3:
N values (for example, LNP Profile table ALL-CALL-QUERY=N) is shown as a blank cell in the
table, to improve readability.
ODBR indicates an all call query is performed, and the call is routed onward to the recipient switch.
REL indicates the donor switch detects that the subscriber is ported-out, so the call is cleared (REL
with cause QoR: Ported Number (14)).
REL QOR indicates the originating switch receives REL with cause QoR: Ported Number (14), does
a query, and routes the call onward to the recipient switch.
DN2SUBSC
RIBER
status
PORTED-
OUT)
Y
Y
Y
Y
DN2SUBSCRI Trunk Grp
BER PERFORM-
LNP-TRIGGER LNP-QUERY
(and not
PORTED-OUT)
Y
Y
Y
Y
Y
Originating Intermedia Donor
Switch te Switch Switch
Query? Query? Query?
ACQ
ODBR
REL REL
QOR
Note 3
ACQ ODBR
ACQ REL
ACQ Note 3
ACQ ACQ ACQ
ODBR
Note 1
Chapter 2 Routing
Recipient
Switch
Query?
OL-8001-10