04/19/23 NOTE: ALL DATES ARE THE BEGINNING OF THE MONTH

Wireless Local Number Portability and PoolingPhase 2 Implementation Guideline

JUN AUG SEP OCT NOV DEC

2002

INDUSTRY

SERVICE PROVIDER

08/02

JAN

NPAC AGREE-MENT COM-

PLETE

INTERNAL DEVELOPMENT & TESTING for PORTING and

POOLING *

MAR MAY JUN AUGJUL

07/02

* refer to the North American Numbering Council Wireless Number Portability Operations Risk Assessment Report: Launching Wireless Pooling or Porting without Ubiquitous Separation of the MIN and MDN

Rev. 5

2003

INTERNAL DEVELOPMENT & TESTING for PORTING *

FEB APR JUL

04/03

04/19/23 NOTE: ALL DATES ARE THE BEGINNING OF THE MONTH

Wireless Local Number Portability and PoolingPhase 2 Implementation Guideline

OCT DEC MAR MAY JUN AUG

2002 / 2003 (con’t)

PORTING DEPLOYMENT and

FINAL ADJUSTMENTS

INDUSTRY

SERVICE PROVIDER

09/03

SEP JULJUN

INTERCARRIER TESTING

11/24/02

08/03

INTER-CARRIER TEST LOGISTICS

AUG FEB APR

Rev. 5

NOV JAN JUL

POOLING DEPLOYMENT and FINAL ADJUST-MENTS

04/02

09/03 to 11/24/03