SOUTHWESTERN BELL FF-9915, SOUTHWESTERN BELL GH-2400, SOUTHWESTERN BELL GH-2410, SOUTHWESTERN BELL GH-2420, SOUTHWESTERN BELL GH-3034, SOUTHWESTERN BELL GH-3050, SOUTHWESTERN BELL GH-3060, SOUTHWESTERN BELL GH-3062, SOUTHWESTERN BELL GH-3065, SOUTHWESTERN BELL GH-3080, SOUTHWESTERN BELL GH-3210, SOUTHWESTERN BELL GH-4000, SOUTHWESTERN BELL GH-4003, SOUTHWESTERN BELL GH-4010, SOUTHWESTERN BELL GH-4050, SOUTHWESTERN BELL GH-41, SOUTHWESTERN BELL GH-5810, SOUTHWESTERN BELL GH-5812, SOUTHWESTERN BELL GH-5822, SOUTHWESTERN BELL GH-5825, SOUTHWESTERN BELL GH-5835, SOUTHWESTERN BELL F-940, SOUTHWESTERN BELL FF-2400, SOUTHWESTERN BELL GH-2400C, SOUTHWESTERN BELL GH-2400S, SOUTHWESTERN BELL GH-2410MS, SOUTHWESTERN BELL GH-2410S