Use this unofficial PERL SDK to interface with the Zendesk API. Zendesk provides voice, help desk, and chat tools for business communication. Developers should note that this tool is still in development (Alpha) and changes are to be expected.
Twilio introduced a new Fax API in Beta. The API allows connected apps to both send and receive faxes to and from legacy fax machines. While the API might seem counterintuitive, the business reality of today's marketplace continues to see many businesses across industries rely on fax communication.