TENIOS Cloud-PBX & ACD is described as 'With its Cloud-PBX, TENIOS offers a software-based, virtual business phone system within the NGN (next-generation-network). The calls are established via VoIP connection, which enables a variety of new functions including skill-based ACD routing' and is an app in the social & communications category. There are more than 10 alternatives to TENIOS Cloud-PBX & ACD for a variety of platforms, including Web-based, SaaS, Self-Hosted, Mac and Windows apps. The best TENIOS Cloud-PBX & ACD alternative is Twilio. It's not free, so if you're looking for a free alternative, you could try Wazo or Tellephant. Other great apps like TENIOS Cloud-PBX & ACD are Hilos by ActiveCampaign, CALLR, XiVO and SendSMSGate.