1. An emergency telephone number recognition system for operating in a wireless communications system, the wireless communications system including a communication station and at least one subscriber unit for communicating with the communication station, the communication station connected to a telephone system, the subscriber unit including: a telephone device for providing dialing signals; a subscriber unit transceiver for communicating with the communication station; an interface for interfacing the telephone device and the subscriber unit transceiver, wherein the interface further includes: a converter for converting the dialing signals into digital signals, the emergency telephone number recognition system comprising a processor including a recognition system for recognizing if an emergency telephone number is dialed by comparing the digital signals to at least one predefined sequence of digits representing an emergency telephone number; and a priority channel requester for requesting a priority channel assignment from a subscriber unit to the communication station when the telephone number recognition system recognizes an emergency telephone number being dialed at the subscriber unit.