Patent ID: 7864753

Claim:
A method, comprising: via conversion instructions running on a digital signal processor, converting an encoded plurality of digital samples into a plurality of VoATM packets, the encoded plurality of digital samples formed from encoding a plurality of digital samples, responsive to an SS7 query of a server that determines that a subscriber is an enhanced service subscriber, via high-quality audio codec instructions stored on a subscriber interface line card, the codec instructions adapted to encode multiple channel audio, the subscriber interface line card adapted to switch automatically between one or more high-quality audio codecs and a POTS codes based on capabilities of customer premises equipment at either end of a call comprising an analog signal having a maximum frequency greater than 3.5 kilohertz, provided from a POTS subscriber loop circuit, and quantized to form the plurality of digital samples, at least one piece of customer premises equipment adapted to verify that the subscriber is using intelligent customer premises equipment capable of reproducing high fidelity voice signals having a frequency range that is wider than 3.1 kilohertz.