Windstream continues to assert that AT&T's plea to the FCC to block an interim plan to provide equivalently-priced IP-based last mile wholesale services, if heeded, will result in a lack of service provider choices for small to medium businesses. AT&T and fellow incumbent local exchange carriers CenturyLink and Verizon are petitioning to be allowed to raise prices on wholesale IP-based services like Ethernet, which competitive local exchange carriers like Windstream rent to deliver services to their business customers.