GSM mobile phone as a FreePBX extension – SIP2SIM
I’m testing an interesting product this week from a company called Andrews & Arnold. It’s a way of using a UK GSM mobile phone with FreePBX/Asterisk that I’ve not seen before. The service is a PAYG “SIM only” mobile phone service. You get a SIM card to go in your existing mobile phone, which must be either unlocked or on the O2 network –