G573.3:2020 Mobile Number Portability IT Specification Part 3: Common Network
Specifies the requirements of the Private IP Network (PIPN) to provide interconnectivity which facilitates Mobile Number Portability..
In 2020, a minor revision was conducted to provide an alternative to the ATM Frame Relay access services. This was required due to the retirement of the ATM Frame Relay networks. This revision outlines the replacement service based on the private Fibre Ethernet Point-to-Point service.