AT&T MERLIN LEGEND Release 3.1 System Planning Manual page 287

T1/PRI Review
4. If the type of service is PRI, complete the PRI Identification Service
section by doing one of the following:
If you are not planning to use the number identification service, check
the No box and proceed to Step 5.
If you are planning to use the identification services, check the Yes
box and check the service planned:
— For incoming calls, check one of the following boxes: ANI, SID, or
— For outgoing calls, check either ANI, SID/ANI Privacy, SID—
NOTE:
The availability of the caller identification information may be limited by
local-serving (caller's) jurisdiction. availability, or central office
equipment.
5. In the Channel Service Unit section:
a. Check the box that describes the channel service unit used. If you are
not using the model listed, check the second box and write in the
manufacturer information that describes the unit.
b. Forward all copies of this page along with a copy of the Planner to
Tier III, General Business Systems, National Technical Service Center.
D–6
System Planning
Both. If both automatic and extension identification service are
planned, indicate the order in which the information should be
displayed (ANI then SID or SID then ANI).
Extension Based, or SID—Line Based to indicate the service
planned.