System for coupling the public telephone network to the Internet using a number of Points-of-Presence, or PoPs, arranged between the public telephone network, or Public Switched Telephony Network PSTN, and an Internet Service Provider, or ISP. The formation of the beveled edge minimizes feathering along the block edges that are beveled as the block is stripped from a mold. An expansion member of the surgical access port is configured for insertion through a surgical incision in a contracted state, and expands to a diameter larger than the surgical incision in an expanded state. Then, the energy contour of the speech signal is calculated, so as to determine the related speech recognition coefficients.