Looking for voip advisory with regard to the following situation
1. A small office is located in India with 2-3 sales people who want to make B2B sales call.
2. we want to display our Caller ID while outbound call is made.
3. Who are provider who can allow displaying of our caller id while outbound call is made.
4. Who are cheapest voip minutes provider
5. How to setup cheap voip solution for b2b sales call. India to India with API Access.
6. and i have few clarification which has to be answered in skype text chat.
Looking for provider who can provide API access to intergrate with my CRM System.
I have already expoloired twilio,plivio and few others. Please suggest alternative or advice as to how to setup cheap voip outbound calls with API intergration.