MERLIN LEGEND Communications System Release 6.1
System Programming Guide
555-661-111
Issue 1
August 1998
Programming Procedures
Page 3-249PRI Facilities
3
Call-by-Call Service Table 3
When a call is placed on a Call-by-Call B-channel group, a specific service is
selected. The selected service depends on the match between the dialed digits
and the table entries. A service must be specified; otherwise the entry is ignored.
The Call-by-Call table can contain up to 10 entries. Each entry can contain up to
10 patterns, each with a maximum of eight digits. If a dialed number matches two
patterns, the longer pattern takes precedence. For example, 212555 matches
both 212555 and 212, but the system will match the longer pattern. In addition to
patterns, the Call-by-Call table can be used to specify from 0 through 8 digits to be
deleted (the factory setting is 0).
If the last entry in the table is empty (that is, if no pattern is specified), this entry is
used as a default and matches any pattern and type of call.
If ARS (Hybrid/PBX only) is used, ARS selects the route. If the route points to a
Call-by-Call B-Channel group, Call-by-Call service selects the network service.
ARS Call-by-Call service is integrated according to the specified bearer capability
(voice, data, or both) for each feature. In addition, ARS digit deletion/addition may
help specify the service selected by the Call-by-Call feature. See “Automatic
Route Selection” on page 3–528 for more information.
Beginning with Release 4.2, the following additional services are available:
■ MCI Toll Services for a DMS-250 or DEX600E switch type
— MCI PRISM
—MCI VNET
■ Local exchange carrier services available for a DMS-100 switch type:
—DMS Private
—DMS OUTWATS
— DMS FX (foreign exchange)
— DMS Tie Trunk
Summary: Call-by-Call Service Table 3
Programmable by System Manager
Mode Key and Hybrid/PBX
Idle Condition Not required
Planning Form Form 3b, Incoming Trunks: DS1 Connectivity (100D module)
Factory Setting Not applicable
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