TIA - Trunk Interconnection Arrangement

Identifies the Alternate Exchange Carrier (AEC) has ordered Trunk Interconnection Arrangement (TIA), an interim arrangement offered by the local exchange company to terminate in an AEC's local network until End Office Integration Service is effective.

NOTE 1: The appearance of this field on the Access Service Request is for information purposes only when the AEC is ordering Feature Group D (FG D), Signaling System 7 (SS7), or Directory Assistance (DA) after establishing TIA trunks.

VALID ENTRIES:

1 = Option  1 (DS1/DS3 Facility for Local Trunk)

2 = Option  2 (Optical DS3 Facility for Local Trunk)

3 = Option  3 (Physical Interconnection for Local Trunk)

4 = Option  4 (Virtual Interconnection for Local Trunk)

5 = Option  5 (DS1/DS3 Facility for Intralata Toll Trunk)

6 = Option  6 (Optical DS3 Facility for Intralata Toll Trunk)

7 = Option  7 (Physical Interconnection for Intralata Toll Trunk)

8 = Option  8 (Virtual Interconnection for Intralata Toll Trunk)

A = Option  A (DS1/DS3 Facility for Combined Trunk)

B = Option  B (Optical DS3 Facility for Combined Trunk)

C = Option  C (Physical Interconnection for Combined Trunk)

D = Option  D (Virtual Interconnection for Combined Trunk)

USAGE: This field is conditional.

NOTE 1: Required when ordering FG D, SS7 or DA after establishing TIA trunks.

DATA CHARACTERISTICS: 1 alpha/numeric character

EXAMPLES: 1

NOTE 1: The above example illustrates the AEC has chosen Option 1 for TIA.

   2

NOTE 1: The above example illustrates the AEC has chosen Option 2 for TIA.

   A

NOTE 1: The above example illustrates the AEC has chosen Option A for TIA.