FCC Number Resource Optimization Order 99-200



Federal Communications Commission’s (Commission)

Number Resource Optimization Policies

1. The Commission has mandated the way in which all telecommunications service providers (including cellular, paging, resale and competitive providers), across all states, manage the assignment of numbering resources needed to compete in the rapidly growing telecommunications marketplace.

2. Please read below to understand the rules and the overall impacts to you.

1. 1st Report and Order FCC 00-104 (3/31/00)

Customer telephone numbers are impacted with the new rules on “assigned and reserved” telephone numbers. The Commission allows carriers to reserve telephone numbers for customer requests for a 45-day period.

All carriers are required to submit a report to the NANPA/Commission twice a year to show the status of all telephone numbers under the carrier’s control by proving:

1) Months-To-Exhaust - that telephone numbers will be exhausted in a given rate center, and

2) % Utilization - that the carrier will have reached the required percent exhaust level for that given rate center

SBC must meet these two criteria in order to request additional numbering resources from the North American Numbering Plan Administrator (NANPA) for its customers. The Commission also requires carriers to classify telephone numbers into six categories: Assigned, Administrative, Intermediate, Aging, Reserved and Available.

1. SBC customers are impacted depending on how SBC classifies the telephone numbers as either “assigned” or “reserved”. The 2nd and 3rd Report and Orders further explain.

1. 2nd Report and Order (12/29/00)

The Commission extends the limit on how long a carrier can hold a telephone numbers for a customer in reserve status to 180 days. This means that, telephone numbers in reserve status are required to be installed and working in the Public Switched Telephone Network (PSTN) by the end of the 180-day period. Beyond 180 days, if the telephone numbers are not working in the PSTN, then telephone numbers are no longer deemed “reserved” and are made available for assignment to other customers.

2. 3rd Report and Order (12/28/01)

This Order made the following changes:

2. For POTS telephone numbers there is a new option that if the number is working 90days out of a calendar year, the number can be considered in the PSTN or Assigned for the remainder of the year.

3. For Centrex and PBX/DID customers, there is a new option that allows carriers the opportunity to implement the 50% threshold on reserved telephone numbers greater than 180 days. If customers have 50% of their Centrex common block working in the PSTN, meaning "Assigned", then the entire common block is automatically considered "Assigned".

4. This means the CTX customer does not have to give up any of their reserved numbers in the common block. However, if the customer falls below the 50% threshold, the customer must choose one of several options in order to be at the 50% threshold.

3. How SBC can assist Customers to get to the 50% threshold

5. SBC can assist you to Identify your reserved telephone numbers

6. SBC can assist you identify which numbers you no longer need and return them to SBC

7. SBC can assist you identify which numbers you may want to activate through any of the three options:

8. activate them as working Centrex stations

9. activate them as additional appearances on ISDN or (DMS100) Meridian Business phone sets

10. activate them as any other SBC offered product or feature that provisions the number to work in the PSTN

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