# IP-Enabled Services, Telephone Number Portability, Numbering Resource Optimization
> **Federal Communications Commission** · Final rule. · Published 2008-02-21 · Effective 2008-03-24 · 73 FR 9463
## Document
- **Document number:** E8-3130
- **Category:** other
- **Federal Register citation:** 73 FR 9463
- **CFR reference:** 47 CFR 52
- **Publication date:** 2008-02-21
- **Effective date:** 2008-03-24
- **FCC docket:** WC Docket No. 04-36, CC Docket Nos. 95-116, 99-200
## Abstract

The Commission adopted rules extending local number portability obligations and numbering administration support obligations to interconnected VoIP services and responded to the District of Columbia Circuit Court of Appeals stay of the Commission's Intermodal Number Portability Order.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2008/02/21/E8-3130/ip-enabled-services-telephone-number-portability-numbering-resource-optimization)
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