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