adafruit/Adafruit_FONA_Library — pull request #4 by darrensi (2014-08-28 04:26:40+00:00)
Title: Allow setting of GPRS APN

Added function to allow setting of the GPRS APN, username and password settings. This is required to enable GPRS functionality on mobile networks.
For example, on T-Mobile (US), the APN needs to be set to "epc.tmobile.com", no username or password.