Yes. Plivo has a SIP trunking service called Zentrunk. Zentrunk is a cloud-based SIP trunking service that facilitates IP-PBX communications to PSTN and mobile destinations over private internet.

You can find out more at <a href=”http://zentrunk.plivo.com/ alt=”Plivo Zentrunk SIP Trunking”>zentrunk.plivo.com</a>