With the help of the SaaS application Teleman, you can call your consumers to market your items. You can live contact your consumers and sell things using an IVR dialer. Since this voice-calling application relies on Twilio, you'll need a Twilio account to launch your telemarketing business. In addition to prerecorded files, text files can also be used to transmit audio messages. You can launch a campaign by adding new contacts to a group.