• • ICC LNP R&B Meeting Minutes
    • • To: ICC LNP Workshop Rating and Billing Members

        From: Judith Evans

        Date: July 17, 1997

        Re: Minutes for the July 15, 1997 R&B teleconference

    A teleconference of the ICC LNP R&B sub-committee was held on July 15 to discuss issues of rating and billing impact. Following is the status of each of the items discussed on the teleconference.

    General Requirements Clarification - Items 1315 & 1320

    Joe Lichter and Arnette Schultz, Lucent Technologies, have edited the Switching and Signaling Generic Requirements 1315 and 1320. No comments were received by Joe or Arnette related to these clarifications and no issues were received on the teleconference. This item has been closed. J

    National R&B Committee

    The R&B sub-committee has discussed the issue of the National Billing Committee replacing the ICC LNP R&B Sub-Committee. Members attending the last two teleconference strongly agree that currently there is a need to continue with both a regional and national committee. The ICC LNP Workshop R&B sub-committee will issue a formal letter asking the Steering Committee for each of the Midwest Region states to recognize the National Committee while continuing to support their own state/regional rating and billing committees. This item has been retired. J

    NXX-X/LRN Number Conservation

    Brian Baldwin, co-chair of the Number Pooling Sub-committee, forwarded a memo to all Illinois LNP Workshop sub-committee chairs regarding NXX-X/LRN number pooling analysis (see Attachment A). Our response has not changed since last month, but we have provided responses to the Number Pooling Sub-committee per Brian’s request (see Attachment B).

    Several sub-committee members indicated a desire to see the NXX-X number pooling proposal documented in its entirety. I have forward this request to Brent Struthers who has agreed to send me the information. I will distribute this information to the R&B members upon receipt from Brent and it will be the subject of our next scheduled teleconference (please see item below).

    Next Meeting Information

    The next teleconference of the R&B sub-committee was scheduled for August 15, 1997 from 10:00 to 11:00 a.m. (CST). However, given that at least one participant on the last teleconference indicated that the way the NXX-X pooling solution was administered may impact our final analysis, this teleconference has been rescheduled for July 25, 1997, so as to provide the Number Pooling Sub-committee with accurate feedback prior to their August 1, 1997 deadline. The dial in number for this call is (334) 262-0740 and the participant code is 834-974. J

July Teleconference Attendees

Attachment B - Preliminary Analysis Number Pooling Assumptions

Per Brian Baldwin’s 7/1/97 memo to chairs of all Illinois sub-committees:

1. What particular issues were discussed?
   Potential impact of NXX-X pooling proposal on rating and billing of ported calls.
2. What assumptions were made?

• • Our assumptions follow. Please note: Assumptions 1-3 were provided by Brian in his original June 3^rd memo. Assumptions 4-5 were developed during the June R&B teleconference and Assumption #6 was added during the July 15 teleconference.

1. 1. Sharing will be implemented at the thousands-block level, among carriers serving the same rate center or rate district as assigned the particular NXX.
   2. Shared NXXs will still be assigned to a "home" switch and rate center/district.
   3. Thousands blocks within those NXXs that are shared with other carriers will be "ported" from the donor switch, using the long-term LNP architecture.

• • The ICC Rating and Billing sub-committee does not anticipate any rating or billing issues with the NXX-X pooling proposal given the following additional assumptions:

4. 1. Geographic boundaries of rate center/rate district are iron-clad, no exceptions.
   2. Generation of the AMA (LRN) by the switch does not deviate from the long-term LNP architecture.
   3. All NXXs used for number pooling must be LNP-capable.

3. What concerns were identified?
   Concerns were the same as those of implementing LRN in general—carriers performing third-party recording/billing services for other carriers may still, in certain call scenarios, require modifications to their back-office systems and/or new/modified interconnection agreements to support the appropriate passing of billing messages. The NXX-X pooling solution may exacerbate this problem.
4. What alternatives were looked at?
   No alternative solutions were discussed. The R&B sub-committee performed analysis only of the solution requested based on the limited information presented in the Baldwin June 3rd memo.
5. What were the advantages/disadvantages (e.g., costs, timing, etc.) of those alternatives?
   Not applicable (see response to #5 above).
6. What conclusions/recommendations were made?
   As reported after the June R&B teleconference, the sub-committee members have determined that the NXX-X number pooling proposal should have no new technical impact on deploying the LRN solution in Illinois based oon the above assumptions. However, the sub-committee has asked (Brent Struthers) to see the current documentation on this proposal to make a more definitive analysis of this solution.