BizPhone

A dialer which is a supplement to your BizPhone account. Sign up for a http://www.bizphone.in account and download this app. Calls will be charged normally.
This also contains access to the mobile version of your BizPhone account. Access your incoming calls, missed calls, Voicemails etc directly from your mobile app.
Works in India.
BizPhone allows you to get a virtual phone number for your business so that you can never miss a customer call and keep your personal phone separate.
It also has advanced features like missed call alerts, voicemail, professional welcome message.