Goto Section: 52.21 | 52.25 | Table of Contents

FCC 52.23
Revised as of
Goto Year:1996 | 1998
Sec. 52.23  Deployment of long-term database methods for number 
          portability by LECs.

    (a) Subject to paragraphs (b) and (c) of this section, all local 
exchange carriers (LECs) must provide number portability in compliance 
with the following performance criteria:
    (1) Supports network services, features, and capabilities existing 
at the time number portability is implemented, including but not limited 
to emergency services, CLASS features, operator and directory assistance 
services, and intercept capabilities;
    (2) Efficiently uses numbering resources;
    (3) Does not require end users to change their telecommunications 
numbers;
    (4) Does not result in unreasonable degradation in service quality 
or network reliability when implemented;
    (5) Does not result in any degradation in service quality or network 
reliability when customers switch carriers;
    (6) Does not result in a carrier having a proprietary interest;
    (7) Is able to migrate to location and service portability; and
    (8) Has no significant adverse impact outside the areas where number 
portability is deployed.

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    (b) (1) All LECs must provide a long-term database method for number 
portability in the 100 largest Metropolitan Statistical Areas (MSAs) by 
December 31, 1998, in accordance with the deployment schedule set forth 
in the Appendix to this part, in switches for which another carrier has 
made a specific request for the provision of number portability, subject 
to paragraph (b)(2) of this section.
    (2) Any procedure to identify and request switches for deployment of 
number portability must comply with the following criteria:
    (i) Any wireline carrier that is certified (or has applied for 
certification) to provide local exchange service in a state, or any 
licensed CMRS provider, must be permitted to make a request for 
deployment of number portability in that state;
    (ii) Carriers must submit requests for deployment at least nine 
months before the deployment deadline for the MSA;
    (iii) A LEC must make available upon request to any interested 
parties a list of its switches for which number portability has been 
requested and a list of its switches for which number portability has 
not been requested; and
    (iv) After the deadline for deployment of number portability in an 
MSA in the 100 largest MSAs, according to the deployment schedule set 
forth in the appendix to this part, a LEC must deploy number portability 
in that MSA in additional switches upon request within the following 
time frames:
    (A) For remote switches supported by a host switch equipped for 
portability (``Equipped Remote Switches''), within 30 days;
    (B) For switches that require software but not hardware changes to 
provide portability (``Hardware Capable Switches''), within 60 days;
    (C) For switches that require hardware changes to provide 
portability (``Capable Switches Requiring Hardware''), within 180 days; 
and
    (D) For switches not capable of portability that must be replaced 
(``Non-Capable Switches''), within 180 days.
    (c) Beginning January 1, 1999, all LECs must make a long-term 
database method for number portability available within six months after 
a specific request by another telecommunications carrier in areas in 
which that telecommunications carrier is operating or plans to operate.
    (d) The Chief, Common Carrier Bureau, may waive or stay any of the 
dates in the implementation schedule, as the Chief determines is 
necessary to ensure the efficient development of number portability, for 
a period not to exceed 9 months (i.e., no later than September 30, 
1999).
    (e) In the event a LEC is unable to meet the Commission's deadlines 
for implementing a long-term database method for number portability, it 
may file with the Commission at least 60 days in advance of the deadline 
a petition to extend the time by which implementation in its network 
will be completed. A LEC seeking such relief must demonstrate through 
substantial, credible evidence the basis for its contention that it is 
unable to comply with the deployment schedule set forth in the appendix 
to this part 52. Such requests must set forth:
    (1) The facts that demonstrate why the carrier is unable to meet the 
Commission's deployment schedule;
    (2) A detailed explanation of the activities that the carrier has 
undertaken to meet the implementation schedule prior to requesting an 
extension of time;
    (3) An identification of the particular switches for which the 
extension is requested;
    (4) The time within which the carrier will complete deployment in 
the affected switches; and
    (5) A proposed schedule with milestones for meeting the deployment 
date.
    (f) The Chief, Common Carrier Bureau, shall monitor the progress of 
local exchange carriers implementing number portability, and may direct 
such carriers to take any actions necessary to ensure compliance with 
the deployment schedule set forth in the appendix to this part 52.
    (g) Carriers that are members of the Illinois Local Number 
Portability Workshop must conduct a field test of any technically 
feasible long-term database method for number portability in the 
Chicago, Illinois, area. The carriers participating in the test

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must jointly file with the Common Carrier Bureau a report of their 
findings within 30 days following completion of the test. The Chief, 
Common Carrier Bureau, shall monitor developments during the field test, 
and may adjust the field test completion deadline as necessary.

[ 61 FR 38637 , July 25, 1996, as amended at  62 FR 18294 , Apr. 15, 1997]

    Effective Date Note: At  62 FR 18294 , Apr. 15, 1997, Sec. 52.23 was 
amended by removing paragraph (a)(9) and revising paragraphs (a)(4) 
through (a)(8) and paragraphs (b) and (g). These amendements contain 
information collection and recordkeeping requirements and will not 
become effective until approval has been given by the Office of 
Management and Budget.


Goto Section: 52.21 | 52.25

Goto Year: 1996 | 1998
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