Callback has gained popularity in recent years as a cost effective alternative to long distance and international calling.

AVAVoIP leverages open source Asterisk software application to implement various types of callback services such as ANI/DNIS callback, Web callback, Email callback, SMS callback, Web Services callback API.

Who can use AVAVoIP Callback solution?

• ISPs, ASPs and ITSPs who want to extend and enhance their residential and retail services with callback offerings
• Calling Cards providers who want to enhance their service offerings
• Call Shop and Internet Café operators who want to expand their service offerings
• Telephony service providers with established retail networks

The AVAVoIP Solution

AVAVoIP provides a set of comprehensive end-to-end Callback solutions.

Core features include:

• PIN/ANI/DNIS Callback application
• Web Callback application
• Email Callback application
• SMS Callback application
• Web Services Callback API
• Billing of call back calls
• Optimized routing of callback calls

How it is done?

PIN Callback

• End user makes call to service provider access number
• AVAVoIP calls back to the calling number and plays PIN authentication IVR
• After successful authorization the user can dial the desired destination number

ANI Callback

• End user has provisioned his/her calling number in AVAVoIP
• End user makes call to service provider access number
• AVAVoIP  uses the incoming calling number to authenticate the user
• The system calls back the calling number
• The user can dial the desired destination number

DNIS Callback

• End user has assigned telephone number (DID) for and registered his callback numbers in AVAVoIP
• End user makes call to service provider to his/her assigned DID
• AVAVoIP  uses the DID  to authenticate the user
• The system calls back the registered callback number
• The user can dial the desired destination number

Web Callback

• Authorized user enters authentication and callback numbers information in an online web form
• AVAVoIP processes the information and originates callback to the requested phone numbers

SMS Callback

• End user sends SMS message to SMS number
• The SMS provider forwards the SMS message to AVAVoIP
• AVAVoIP authenticates the messages by PIN number or caller id and initiates callback session
• Needs third party SMS gateway or subscription with SMS service provider

Web Services SMS

• AVAVoIP offers a Callback API via web services to allow easy integration in external applications
• Web Services call back has the same features as the Web Call back
• Authentication of Web Services callback can be done via PIN or Caller ID