21. A computer program product for operating a modem for use at a terminal, the modem having a processing apparatus, a first interface apparatus comprising a first wireless transceiver for connecting to a wireless cellular network of a single service provider, and a second interface apparatus for connecting to the terminal; wherein the computer program product comprises code embodied on a non-transitory computer-readable medium and configured so as when executed on the processing apparatus of said modem to perform operations of a wireless cellular modem so as to enable the terminal to access packet-based communications via the second interface apparatus, first interface apparatus and a plurality of access points of the wireless cellular network, each of the plurality of access points having a respective name and configured according to a different version of a packet communication protocol, said plurality of access points comprising at least a first access point configured according to a first version of the packet communication protocol and a second access point configured according to a second version of the packet communication protocol, including to perform operations of: receiving a modem command from the terminal via the second interface apparatus, the modem command comprising a field for specifying the name of one of said plurality of access points in the form of a text string, wherein said field comprises a plurality of names, wherein in each name corresponds to one of said plurality of access points of the wireless cellular network and one or more separator characters between each of the names in the field; extracting each of the names of said plurality of access points from said field based on the one or more separator characters; and establishing a first channel with the first access point based on a first of the names extracted from said field, and establishing a second channel with the second access point based on a second of the names extracted from said field.
32. The computer program product of claim 21 , wherein each of the names is associated with a different respective set of settings for the respective access point.