You can contact Francis by mobile phone (+44 7840 191336), skype and email, with the option of encrypting email messages and other files…
Please note that Francis’ internet access is on an ad hoc basis. Also, whether mobile or static, he limits notifications so as not to be distracted from work.
For real-time communication Francis recommends the telephone and skype. It’s good to talk.
You should also note that voicemail is for the most part inactive on Francis’ mobile phone. Email and SMS may be used in lieu of voicemail. If you must use text messages to contact Francis, please provide an email address for reply.
Whenever Francis am incommunicado for longer than a day, there should be an email auto-responder in place to inform you of his whereabouts and activities.