Groundwire is a VoIP SIP softphone application available for Android and iOS platforms. It allows users to make voice calls over the internet using SIP (Session Initiation Protocol). Its primary features include high-quality audio calls, video calling, messaging, call transfers, and integration with various SIP providers. The app supports multiple SIP accounts, push notifications, and advanced call management features such as call waiting, call forwarding, and voicemail.

Groundwire maintains high call quality and reliability through the use of advanced audio codecs and network optimization techniques. It utilizes codecs like G.711, G.722, and Opus to deliver clear audio. The app also incorporates jitter buffering and echo cancellation to improve call clarity. Furthermore, its strong network handling capabilities reduce disruptions, providing dependable connectivity even over less stable networks.

Yes, Groundwire is compatible with most SIP providers globally. Users can configure their SIP accounts within the app by entering the credentials provided by their SIP service provider. This flexibility allows seamless integration of Groundwire into existing VoIP setups, making it suitable for both personal and professional use.

Groundwire supports both video calling and messaging functionalities. Users can initiate high-quality video calls directly from the app, and the messaging feature enables text-based communication alongside voice and video calls. This multi-modal communication capacity offers users a comprehensive and versatile communication tool.

Groundwire offers various subscription plans to meet different user needs. The app itself can be downloaded with a one-time fee, but additional features such as push notifications and certain codecs may require a subscription. Subscription costs vary, allowing users to select plans based on their feature requirements. It is recommended to check the latest pricing on the app store for accurate details.