DEFINITY ECS Release 8.2
Administrator’s Guide
555-233-506 Issue 1
April 2000
Screen reference
752ISDN trunk group
17
Supplementary Service Protocol
Indicates which supplementary service protocol to use for services over this trunk
group. Supplementary Service protocols are mutually exclusive.
sdn Software Defined Network (SDN) — an AT&T communications
offering that provides a virtual private network using the public
switched network. SDN can carry voice and data between customer
locations as well as off-net locations.
sub-operator Presubscribed Common Carrier Operator — provides access to the
presubscribed common carrier operator.
tandem Tandem tie trunks integral to an ETN
tie Tie trunks — general purpose
wats-max-bnd Maximum Banded Wats — a WATS-like offe ring for which a user’s
calls are billed at the highest WATS band subscribed to by users.
Valid entries Usage
aNational public network/Shared UUI (for ISDN-BRI)
National public network (for ISDN-PRI)
bISO/ETSI QSIG Private Network
cETSI public network
dEuropean Computer Manufacturer’s Association (ECMA)
QSIG private network (supports only Name Identification and
Additional Network Feature Transit Counter (ANF-TC))
eDCS with Rerouting
—Do not use the Service Type field entry of dmi-mos or
sddn with this option.
—Set the Used for DCS field (on page 2) to y.
fISDN Feature Plus
Public network feature plus signaling.
Valid entries Usage
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