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As wireless devices and cellular networks continue to evolve, opportuvnities are created for enhancing the overall user experience with telematics related services. This paper discusses the pros and cons of por phone systems and embedded phone systems as conduits for telematics applications. Methods to enhance embedded in-vehicle telematics systems to include operation with handheld wireless devices on both Wide Area Networks (WAN) and Wireless Local Area Networks (WLAN) will also be presented. Services will be discussed that allow vehicles and wireless devices to interact with each other and with remote servers. Implementation options will be explored along with an analysis of the key players in the telematics supply chain (i.e., OEMs, Suppliers, Carriers, Call Centers, Consumers) who ultimately benefit from each approach.