Make voice and video calls, send messages, and more with our military-grade encrypted B2B SIP softphone app. Groundwire is designed for business users looking for more out of their SIP softphone.

Groundwire is preconfigured to support many of the most popular providers. Download Groundwire today to enjoy a more secure B2B experience for all essential business communications. Groundwire delivers high-quality communications, best-in-class security, and a feature-rich, enterprise-like experience for individual users.

Help your business get online and adjusted to remote work with Groundwire without sacrificing on security and accessibility.

What can Groundwire do for you?

- High-quality audio. Experience crystal clear communications. We support Opus, G.722, G.729, G.711, iLBC, and GSM audio formats.

- HD-quality video. Communicate in up to 720p HD. Our app supports both H.264 and VP8.
SMS and rich messaging.

- Let your employees quickly send SMS and rich messages through an intuitive UI.

- Call transfers…