Home›Telecom›Use cases›Port-out (Transfer Out)← Use case library
Use case · Number Portability

Port-out (Transfer Out)

Subscriber leaves this network and transfers their number to another carrier.

MNPBillingOrder MgmtResource Mgmt
Customer (via new operator)Primary actor
Number PortabilityCategory
4Modules involved

At a glance

Trigger

Another operator requests the customer's number

Primary actor

Customer (via new operator)

Outcome

Number moved out; account closed

Main flow

The usual path from start to finish.

  1. 1
    Receive port-out request from the clearing house

  2. 2
    Validate the request against the account

  3. 3
    Accept or reject within the regulated time

  4. 4
    Release the number at cutover

  5. 5
    Close the account and send the final bill

Exceptions & alternate flows

Details don't match

Reject with reason

Fraud suspected

Hold and verify with customer

Systems & modules involved

MNPBillingOrder MgmtResource Mgmt

Business rules

KPIs to watch

Standards & references

National MNP rulesRegulator and clearing-house specifications

Related pages

Mobile Number Portability→Billing→Order Management→Resource Management→Previous: Port-in (Transfer In)→Next: Port Request Cancellation→Telecom Use Case Library→

This page describes generic industry practice and public standards. It is not based on, and does not describe, any particular vendor's product or operator's systems.