Groundwire: VoIP SIP Softphone

In-app purchases
521 reviews
Content rating
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About this app

Acrobits Groundwire: Elevate Your Communication

Acrobits, a leader in UCaaS and communication solutions for over 20 years, proudly introduces the Acrobits Groundwire Softphone. This top-tier SIP softphone client offers unmatched voice and video call clarity. A softphone designed for both personal and professional use, it seamlessly integrates quality communication with an intuitive interface.


Groundwire is a SIP Client, not a VoIP service. You must have service with a VoIP provider or PBX that supports use on a standard SIP client to use it.

📱: Choosing the Best Softphone App

Experience robust communication with a leading SIP softphone application. Preconfigured for major VoIP providers, this softphone app guarantees high-quality, secure, and intuitive calling. Perfect for maintaining connections with friends, family, and colleagues, maximizing all aspects of your VoIP experience.

🌐: Key Features of the SIP Softphone

Exceptional Audio Quality: Enjoy crystal clear audio with support for multiple formats including Opus and G.729.

HD Video Calls: Conduct up to 720p HD video calls, supported by H.264 and VP8.

Robust Security: Our SIP softphone app ensures private conversations with military-grade encryption.

Battery Efficiency: Thanks to our efficient push notifications, you can stay connected with minimal battery drain.

Seamless Call Transition: Our VoIP dialer smoothly switches between WiFi and data plans during calls.

Softphone Customization: Tailor your SIP settings, UI, and ringtones.
5G and Multi-Device Support: Ready for the future, compatible with most mobile operating systems.

Other features included on this robust app include: instant messaging, attended and unattended transfers, group calls, voicemail, and extensive customization for each SIP account.

🪄: More Than Just a VoIP Softphone Dialer

Groundwire Softphone offers more than the standard VoIP dialer experience. it’s a comprehensive tool for crystal clear Wi-Fi calling, equipped with robust business VoIP dialer features. It offers a secure and reliable softphone choice with no hidden fees and a one-time cost. Leverage SIP technology for improved call quality. Make this Softphone your first choice for dependable, and easy SIP communication.

Download a feature rich and modern SIP Softphone now and be part of a community enjoying the best in voice and SIP calling. Transform your daily communication with our exceptional VoIP softphone app.
Updated on
Mar 6, 2024

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
This app may collect these data types
Photos and videos, Audio and 4 others
Data is encrypted in transit
Data can’t be deleted

Ratings and reviews

505 reviews
Scott Smith
January 20, 2023
I have tried several different softphone apps with all of them having various issues. This app has worked without issues. The push notifications come through when I get a call everytime even when I do not have the app running. I contacted customer service a few times for questions before I purchased and then when I began setting up features. They were very responsive and helpful. I highly recommend this app. (I use it with service)
21 people found this review helpful
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Gwen Patton
April 6, 2023
I'm using this app with a private network, and it works flawlessly. But there is one behavior I wish I could change, and I haven't figured out how: The app keeps resetting the audio to speaker on every call. I always use a Bluetooth headset, and if I select it, it works -- for THAT call. I have to keep selecting it, and it's a bother. I'd like to set the Bluetooth as the default, and stay that way until I change it. I need that to give 5 stars. I've searched and can't find it.
21 people found this review helpful
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A Google user
December 7, 2019
It works but it's not very user friendly. I can't even change the ringtone to differentiate between calls. It's stuck on call integration mode and u can't figure out how to change it. Every call looks like it's coming through my provider now. I'm revising my review. After reinstalling I was able to reset the call settings that were locked during the initial install.
29 people found this review helpful
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What's new

Fixed crash on 32-bit Android devices
Fixed issue with showing missed calls in message history
Fixed missing fullscreen incoming calls permission