The purpose of this document is to provide telecommunications carriers with guidelines for test lines and assignment of test line numbers. The test lines and test line numbers as listed are in accordance with ANSI Standard T1-207 Line side calling tests are identified for verifying a service provider, testing through an access tandem, testing to a toll-free NPA, and testing to a new NPA/NXX.
- Published:
- 08/01/2018
- Number of Pages:
- 10
- File Size:
- 1 file , 260 KB
- Redline File Size:
- 2files, 5 MB
- Note:
- This product is unavailable in Ukraine, Russia, Belarus
Reviews
There are no reviews yet.