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SIP Softphone apps
for iOS and Android

Ideal for individuals looking for a better SIP client experience

Acrobits Groundwire Softphone App

Groundwire

A powerful business SIP softphone app with built-in conferencing and transferring.

UI of Groundwire Softphone app on an active call on iOS
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SIP Softphone

Experience a flexible and robust desk phone replacement with our SIP Client.

Interface of Acrobits Softphone SIP Client dialer interface on iOS
You already have enough subscriptions

Whether you purchased our SIP Softphone apps years ago or yesterday, you’ll have lifetime access to our software, updates, and any new baseline features we add.

  • Lifetime Updates
  • Access to New Features
  • In-App Purchases for Addon Features
Finally a SIP softphone app that doesn't kill your battery

Acrobits Softphone and Groundwire use enhanced push notification technology which saves your battery. Be notified of incoming and missed calls, voicemails, and texts without worrying about your battery life.

  • Push Notifications
  • Background Connectivity
  • Zero Battery Drain
FAQ →
Best-in-class privacy & security

Every message sent and call made are secured using our award-winning end-to-end encryption technology. Acrobits Apps aren’t just safe, they were vetted and used by the European parliament.

  • SRTP Support
  • TLS support for encrypted SIP
  • ZRTP Support (in-app purchase)
Quality communications, wherever you go

Whether you want to call, text, or video chat, you always get the same high-quality communications with Acrobits. Our apps use the latest audio and video codecs to offer a crystal-clear, stable experience.

  • HD-Wideband Audio
  • G.711, G.722 Codecs
  • G.729
  • WiFi & Mobile Networks Supported
  • Seamless Transition
what our happy users say →

Acrobits Softphone vs. Groundwire

What's the difference? Compare key features below.

Acrobits Groundwire Softphone App

Groundwire

  • Incoming call via Push
  • Unlimited Accounts
  • Video Calls
  • Messaging
  • Transfers and conferencing
Groundwire app screenshot showing features tab records, home, history and meetings
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Acrobits Softphone

  • Incoming call via Push
  • Unlimited Accounts
  • Video Calls
  • Messaging
  • Transfers and conferencing
Contacts Tab On Acrobits Softphone App
Need More Customization?
Build your own app with our white label softphone solution
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FAQ

What are the major differences between Softphone and Groundwire?
Unlike Acrobits Softphone, Groundwire includes conferencing and transferring features.
Do you provide support for Groundwire & Acrobits Softphone apps?
Sure we do. For support, please open a ticket at our Helpdesk. You will usually receive a response within 24 hours.
What are push notifications, and how do they work?
Push notifications are messages sent to your device that are used to wake Acrobits Softphone up when you receive an alert. They are a system and battery-friendly option that keeps you in the loop. Acrobits Softphone uses its push notifications server (which runs in the background) to notify you of incoming calls, messages, and other events without draining your battery. Without them, the app would use your phone’s processing power and drain your battery to stay in constant contact with the network. Push notifications are a battery-friendly solution to real-time notifications because they aren’t resource-heavy.
Do you sell bulk licenses for Acrobits Softphone?
We only sell individual licenses for Acrobits Softphone. Bulk licenses cannot be purchased through the App Store and Play Store. If you’re interested in mass deployments or developing your own white-label solution, we have enterprise-ready products just for this. Please visit the Cloud Softphone page to learn more about our enterprise-ready products and services.
Can I override all of my calls through Acrobits Softphone?
Yes, and it works on both Android and iOS with slight differences.
Can I white-label Acrobits Softphone?
We offer a specific product for enterprises and service providers. Please visit the Cloud Softphone page to learn more about our enterprise-ready products and services.
Does Softphone support Apple’s CallKit?
Yes, and like other Apple or Android enhancements, our team strives to deliver these improvements on their initial release day.
How does Acrobits Softphone handle network changes?
Our SIP stack uses a sophisticated mechanism to handle network changes. We’ve developed a system that minimizes the impact of changes to avoid call drop offs during handovers. For example, say you’re on a call using your cellular data and you walk into a WiFi hotspot. Normally, your phone will connect to the hotspot automatically and your call may drop off during the handover. Our platform doesn’t do this. It sticks to the original cellular data network, providing you with a seamless audio experience, and only hands the connection over when your call is finished. And should the active network disappear for any reason, the app will instantaneously issue a re-invite.
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