CenturyLink’s petition for a limited waiver of the FCC’s new...
CenturyLink’s petition for a limited waiver of the FCC’s new call signaling rules should be granted subject to certain conditions, said comments filed Wednesday by the National Exchange Carrier Association, National Telecommunication Cooperative Association, Organization for the Promotion and Advancement…
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of Small Telecommunications Companies, and the Western Telecommunications Association (http://xrl.us/bmwh7e). CenturyLink had requested waiver of the requirements to pass the Signaling System 7 (SS7) Charge Number (CN) unaltered where it differs from the Calling Party Number, the rules for originating service providers to pass the number of the calling party or CN in the Multi-Frequency (MF) Automatic Number Identification field, and the rules for providers that use SS7 or MF signaling “where CenturyLink acts as an IXC for certain traffic originated over dedicated access facilities” (CD Feb. 1 p13). “The Commission must be very mindful when considering waiver petitions of this type that they should be strictly limited in scope to a few instances involving ‘legacy’ technology that is neither SS7 nor Internet Protocol,” the group of rural associations commented. “The waiver should be contingent upon CenturyLink’s publication of a list of all originating legacy switch locations that would fall under this limited waiver so that terminating carriers can identify such calls, and CenturyLink should be required to provide terminating carriers with the translation table that indicates the originating call location for each ‘pseudo CN’ it inserts in certain call stream signaling."