Hello, Can you suggest me Bulk SMS Service Provide, that Provides: 1. Geo Long Number (123-321-1234) 2. Incoming/Outgoing Calls & SMS. 3. SMS API for Autoresponder. Receive SMS & Reply to that SMS. 4. No Limitations & Low Cost. I see many service provider but not getting the desired service. I would be grateful, if you suggest be the best service. Thanks in Advice.