Groundwire

Groundwire Groundwire is a secure SIP VoIP softphone app for Android with crystal-clear audio, HD video up to 720p, call transfers, conferencing, voicemail, and efficient battery use.

Groundwire

Groundwire: VoIP SIP Softphone is a SIP calling app designed for reliable, efficient day-to-day communication. Set up your calling system quickly and enjoy clear voice and video quality, along with strong protection—making it a great fit for business teams, conferences, video calls, and more. The interface is easy to understand whether you’re new to SIP or already familiar with softphone tools, with a clean design that avoids overwhelming technical menus.

Key Features

• Exceptional Audio Quality: Enjoy crisp, clear sound with support for multiple audio formats, including Opus and G.729.
• HD Video Calls: Make video calls up to 720p with support for H.264 and VP8.
• Robust Security: Keep conversations private using military-grade encryption.
• Battery Efficiency: Stay connected with low battery impact thanks to efficient push notifications.
• Smooth Call Switching: During calls, the VoIP dialer can transition smoothly between Wi‑Fi and mobile data.



• Softphone Customization: Adjust SIP settings, personalize the interface, and set your own ringtones.
• 5G and Multi-Device Support: Built for modern networks and compatible with most mobile operating systems.

What You’ll Notice Most

• High-quality audio: Get clear communication with support for Opus, G.722, G.729, G.711, iLBC, and GSM.
• HD video experience: Support for video calls up to 720p, powered by H.264 and VP8 codecs.



• Fast messaging: Let employees send SMS and rich messages using an intuitive layout.
• Call transfers & conferencing: Keep work moving with built-in call transfer tools and conference calling.
• Voicemail included: Never miss an important call—Groundwire provides a dependable voicemail feature.
• Military-grade encryption: Uses strong encryption based on SRTP, ZRTP, and TLS to help protect company information.
• Lower battery usage: Push notifications help you stay informed while reducing battery drain.

Frequently Asked Questions

Q: How does it protect communication security?
A: It uses military-grade encryption with SRTP, TLS, and ZRTP to help safeguard company data during calls and messaging.

Q: Can I adjust the app to match my preferences?
A: Yes. The app is highly customizable, including personalization of SIP settings, the user interface, ringtones, and more.

Q: Does it support 5G?
A: Yes. It’s designed to work well with 5G networks, helping users take advantage of faster, more responsive communication.

Conclusion

Groundwire Mod APK is built for business users who want a more secure and dependable way to reach clients and colleagues. With strong protection, plus HD audio and video support and military-grade encryption, it’s a solid communication option for organizations that need a feature-rich softphone. It’s also designed to fit smoothly with modern mobile devices and operating systems.