prompt for username and password at install, or at least point at bp3config. document how to change username and password. explain why username is saved ... security model is possession of USIM. add GUI popup like power state changes, insertion, ip-up, ip-down, bad coverage. add GUI configuration panel: Provider: Telstra or Bigpond Username: (if Bigpond) Password: (if Bigpond) Number: *99# APN: telstra.bigpond recognise EMEI of modem and index into alternate configurations. add /usr/share/doc/bp3/index.html link to changelog, use guide, security, known problems, problem resolution techniques, design internals. use shorter LCP timers to speed response on coverage failure. test with bad coverage, or no antenna. set APN in modem during dialling, accept APN from configuration file. ask Maxon what ABORT responses are documented or expected, and what they mean, and code for them in the chatscript. ask Maxon and Telstra for public unencumbered specification of the registration and connection process.