SIPPIO
SIPPIO enables Voice in Teams. It's easy to consume and activates in minutes with the ability to opt-in/out or scale up/down with a flexible contract. 100% native in Microsoft and Azure with a secure and global footprint ensuring calling is always available. Migrate at will with Direct Routing as a Service without having to build it or buy hardware. Integrate with legacy telephony and analog services or completely modernize your workplace by providing a full collaboration solution in the cloud to drive productivity wherever your users are working.
- Headquarters: Annapolis, Maryland
- Native to 8 Azure Data Centers globally in 80+ countries
- Over 80+ million daily active Microsoft Teams users
SIPPIO offers unlimited, consumption, or education-based solution plans; there are no communications credits and international calling is billed purely on usage without professional services, hidden fees, or bursting.
Activation is a fully automated process for ease of selecting and porting DIDs, provisioning users, and enabling calling capabilities within minutes. Simply have the phone system license and an active Team tenant. There are no professional services or tenant management fees.
100% native in Microsoft Azure running across 5 primary and 2 secondary regions providing superior high availability, failover, compliance, and redundancy. Every call is encrypted from origination to destination and you have full visibility to the call route with the ability to see down to the device and firmware to manage call quality.
SIPPIO offers the ability to integrate a legacy PBX or SfB system with Voice in Teams through dynamic call routing for customers needing to retain their premise solution.
SIPPIO, built on Microsoft Azure, offers an award-winning voice-enablement platform that makes it incredibly easy and fast to enable PSTN calling in Microsoft Teams Phone and Zoom Phone. With unmatched call quality, 99.999% reliability, and 24/7 support, SIPPIO provides their services in over 80 countries to over 1 Million endpoints. Designed to be simple, fast, flexible, and reliable, SIPPIO it a game-changer for businesses looking to enhance their communication strategies with their seamless integration for Teams, via Dynamic Routing or Operator Connect, and Zoom, offering intuitive calling, dynamic texting, and comprehensive analytics.
- Dave Watson, Field Sales Engineer
- Current Microsoft Teams user; exploring how to Put Voice in Teams
- Companies seeking flexibility for pure cloud, premise or hybrid solutions
- Companies migrating SfB to Microsoft Teams
- Companies seeking cloud, OPEX or non-committed contracts
Strongest industry fit
- Other
What we’ll ask before recommending them
- Are you seeking an end-to-end solution 100% in the cloud for Voice and Business Calling?
- Are you using Microsoft Teams today?
- Would you like a non-committed contract with ability to opt-in/out or up/down monthly?
- Do you have multi-national needs?
- Do you require a secure, compliant, redundant solution to ensure superior availability and non- blocking?
- Are you seeking Integration with a Legacy PBX or SfB?
Compare SIPPIO against competitors
SIPPIO is one of 74 providers we compare in UCaaS. We’ll run SIPPIO side-by-side against the alternatives on the requirements that actually matter to you — integrations, contract terms, support model, and real market pricing — and tell you honestly if a different provider fits better.
As your vendor-neutral Trusted Advisor, we can tell you honestly whether SIPPIO is the right fit — and compare it against every alternative in the market, typically at no cost to you.



