1-You are able to connect it to twillio
2- Have the source code for a simple SIP phone
3- Able to display any number when calling out.
This is a pretty quick job.. I'm seeking for someone already familiar with this
hi, there
describe please what you want exactly with step 2
also in step 1 do you need to connect asterisk to Twilio
step 3 where you want to change callerid at sip phone, asterisk, landline?
be free to ask me any question, Pavel