Groundwire: VoIP SIP Softphone 6.4.26 Apk for Android

Enhance Your Business Communications with Groundwire

Make voice and video calls, send messages, and more with our military-grade encrypted B2B SIP softphone app. Groundwire is specifically designed for business users who seek more from their SIP softphone experience.

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.

Adapt to Remote Work with Groundwire

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

What Can Groundwire Do for You?

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


• HD-quality video: Communicate in up to 720p HD with support for both H.264 and VP8.


• SMS and rich messaging: Enable your employees to quickly send SMS and rich messages through an intuitive UI.


• Call transfers and conferencing: Keep your essential operations running smoothly with built-in call transfers and conferencing features.


• Integrated voicemail: Never miss an important call again with Groundwire's reliable voicemail feature.


• Military-grade encryption: We utilize a powerful encryption stack, including SRTP, TLS, and ZRTP (free for incoming calls - paid add-on for outgoing calls) to ensure your company's data remains safe.


• Reduce battery drain: Leverage the power of push notifications to stay informed while minimizing battery usage.


• Seamless call transition: Make calls using WiFi or your data plan with seamless transitions during critical handover stages.


• Customize your experience: Groundwire is highly customizable. Tailor your SIP settings, UI, ringtones, and more to fit your preferences.


• 5G-friendly: Take full advantage of the benefits 5G offers with a SIP softphone built for modern connectivity.


• Multi-device compatibility: Groundwire is compatible with any modern mobile operating system.


• No hidden fees: Enjoy peace of mind with no hidden fees or subscriptions; your one-time fee grants you a lifetime license.


• Lifetime support and updates: Each Groundwire license includes lifetime support and unlimited updates to keep your app running smoothly.

With Groundwire, elevate your business communications to the next level while ensuring security and reliability.