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PRACTICE 553-2201-183
CLASS OF SERVICE
AND FEATURES 5.14 All calls originating from and, terminating on stations connected to
line and trunk circuits may be controlled with or without attendant
assistance. Call restrictions to the exchange network and special services
are assigned through unique station/line circuit data blocks contained in
the system memory. Similarly, feature assignments are arranged through
the same data blocks. Refer to
552-2YYl-105
for a complete list and
description of features and services. Refer to
552-2YYl-310
for a
description of how features and
.services
are created in the system
memory.
Page 5-5
.
.