Operator Systems Equipment | Category 1. |
Tandem Switching Equipment | Category 2. |
Local Switching Equipment | Category 3. |
Circuit Equipment | Category 4. |
47 C.F.R. §36.122
Operator Systems Equipment | Category 1. |
Tandem Switching Equipment | Category 2. |
Local Switching Equipment | Category 3. |
Circuit Equipment | Category 4. |
47 C.F.R. §36.122