ATI4 – This command will show you the manufacturer of the unit.

ATD plus the dial-in number of the ISP – This command will show you if the unit can make a Circuit Data call.

ATDS=2 – This command will show you if the unit can make a Packet Data call.

198 Section 3B. Data Services

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Nextel comm i365 manual ATI4 This command will show you the manufacturer of the unit