Groundwire: The Professional-Grade SIP Softphone for Seamless Business Communication

Name: Groundwire: VoIP SIP Softphone
Availability: InStock
Rating: 3.75 (1000 reviews)

Transform your iPhone into a secure, battery-efficient workstation with military-grade encryption and HD audio. Experience the power of your business PBX on the go with a one-time purchase—no subscriptions, no hidden fees.

Publisher

Acrobits

Professional Power at a Glance

Discover the interface used by 320K+ users.

Groundwire softphone app interface showing the keypad and call screen on mobile devices

Groundwire VoIP SIP softphone showing contacts list and active call screen on iPhone

Groundwire app messaging screen showing text conversation and PDF file transfer

Groundwire SIP softphone screen showing push notification settings to reduce battery drain.

Groundwire app settings screen showing SIP accounts and push notification options for professional VoIP communication.

Professional Communication Without Limits

The tools that make this app stand out, trusted by 320K+ users.

🔋

Zero-Drain Connectivity

Stay reachable 24/7 without sacrificing battery life. Our advanced push notification technology handles incoming calls efficiently so you never miss a lead.

🛡️

Military-Grade Privacy

Secure your business intelligence with industry-leading encryption. We provide robust protection for your voice and video calls, ensuring your data stays yours.

📞

Pro-Level Call Handling

Master your workflow with attended transfers, group calling, and HD 720p video. Sound like a corporate office whether you are at home, in a cafe, or traveling abroad.

Loved by users worldwide

Trusted by 320K+ people who love this app.

"As an independent consultant, keeping my business and personal life separate is crucial. Groundwire allows me to turn my iPhone into a professional workstation with crystal-clear audio and features like attended transfers that usually require a desk phone. The fact that it uses push notifications means I never miss a client call, yet it doesn't drain my battery like other SIP clients. Plus, the one-time purchase is a breath of fresh air in today's subscription-heavy market."

Mark S., Independent IT Consultant

"Our firm needed a secure, reliable communication tool for our remote engineering team, and Groundwire exceeded expectations. The military-grade encryption and support for high-quality codecs like Opus ensure our discussions remain private and clear. It was incredibly easy to configure with our existing PBX, and the 720p HD video calls are as smooth as any native app. It's the most robust SIP client I've ever deployed."

Sarah L., Senior Network Engineer

About the app

Everything you need to know about Groundwire: VoIP SIP Softphone.

Description

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. IMPORTANT, PLEASE READ 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.

Latest Version

25.2.68

Size

76.5 MB

First Released

Aug 18, 2010

Ready to Upgrade Your Professional Communication?

Join over 320,000 tech-savvy professionals who trust Groundwire for crystal-clear VoIP. Experience military-grade security and zero battery drain with a one-time purchase—no subscriptions, no hidden fees.

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