SMS Callback is an add-on product, offered by Cyneric Voip Billing and Asterisk . Your Customer will be able to send an SMS text message to Cyneric SMS server with information of destination number and the number to be reached. Cyneric VoIP Billing will receive this information, look up the customer on the billing , authenticate the destination number, and send a request to Asterisk server. Asterisk will receive this information, generate an outbound call to destination number, generate an outbound call to customer number, and conference them. Your customer will be charged for this calls, and will have the option to call any destination, from anywhere.

Use:
- Customer sends an SMS to Cyneric Billing, with destination number and number to be reached in
- The requirement is sent to Cyneric Billing platform
- Billing will authenticate the request: customer balance, destination authorize, etc
- After authentication, billing will send a request to Asterisk , to generate outbound calls
- Asterisk will connect the calls (to destination and to customer)
- When the call is finished, Asterisk will send accounting information to billing
- Billing will make the discount for this calls, rate the calls, and make them available on web portal