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Groundwire: VoIP SIP Softphone

Groundwire: VoIP SIP Softphone

Android Communication Acrobits, s.r.o.
3.4 Popularity

Solid SIP softphone app with great call quality

System Requirements

Updated
September 26, 2025
Category
Age Rating
Everyone
Android
Android 7.0++
Package Name
cz.acrobits.softphone.aliengroundwire

So here's my honest take on Groundwire: VoIP SIP Softphone. I've tested a bunch of VoIP apps and this one's pretty solid. The call quality is really impressive - crystal clear audio and video. It's also got a nice set of features like call transfer, hold, and an address book. The interface isn't the most intuitive, but you get used to it after a while. My only other complaint is that it can be a bit glitchy sometimes, but that's not a dealbreaker. Overall, if you need a reliable SIP softphone, Groundwire is definitely worth a look.

Manya Lyalya
AUTHOR: Manya Lyalya Editor, Grand Screen

Pros

  • fantastic call quality and clarity
  • Lots of handy features like call transfer and hold
  • Works with major VoIP providers
  • Clean, professional-looking interface
  • Free to download and use

Cons

  • Interface can be confusing at first
  • Sometimes glitchy or crashes unexpectedly
  • Not a lot of customization options
  • Ads can be annoying if you don't pay
GOOGLE PLAY SCORE
3.4 /5
based on 633 reviews
Mixed or Average
67
MY SCORE
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Description

Been using Groundwire: VoIP SIP Softphone for a couple months now. It’s basically a SIP client app that lets you make high-quality voice and video calls over the internet. Pretty solid app if you’re into that kinda thing.

Here’s what you do: you can make calls, transfer calls, put people on hold, all that stuff. There’s also a nice address book where you can save your contacts. And the call quality is really clear – I’ve noticed a big difference compared to some other softphone apps I’ve tried.

Look, if you need a reliable SIP softphone for work or personal use, you’ll probably like this. It’s not perfect – the interface can be a bit confusing at first – but overall it does the job. Worth checking out if you’re in the market for a new VoIP app.

User Reviews

David R October 15, 2025

works really well! lots of options! integrates into native phone app.

Scott Smith October 15, 2025

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...

fixv October 15, 2025

Extension is offline unless app is open in front. Even when app is open in background extension goes offline.

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App Permissions

This app requires 8 permissions to function properly:

Voice or sound recordings

Data this app may collect

Music files

Data this app may collect

Photos

Data this app may collect

Videos

Data this app may collect

App interactions

Data this app may collect

Files and docs

Data this app may collect

Device or other IDs

Data this app may collect

Crash logs

Data this app may collect

Frequently Asked Questions