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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.

Designed from the ground up with the mobile user in mind, Groundwire is the first mobile SIP Client capable of replacing your desktop phone.  Combining all the features business users need (see below) with intuitive features created with the mobile user specifically in mind (number rewriting, address book matching and more), Groundwire will quickly have you wondering how you survived without it before.

Check out the tutorials and knowledgeable articles at the links below:

https://www.acrobits.net/hesk/knowledgebase.php

For the list of providers and VoIP services tested with Groundwire, see http://www.acrobits.cz/about-us/partners#tab_verified-voip-operators

And check out https://www.acrobits.net/products/retail#tab_softphone for a side by side comparison of the most popular features of Acrobits Softphone and Groundwire.

*CallKit support!
*Push Notifications for long battery life
*Video Calling - H263, H264 and VP8 codecs
*Multi line
*SIP SIMPLE messaging, with picture, video and other attachments, typing and delivery notifications
*Call conferencing
*Transfer and attended transfer
*Call waiting
*Voicemail Notification and programmable Voicemail dialer
*ZRTP support (through in app purchase), the latest in secure calling for SIP
*Busy Lamp Field
*backgrounding support
*Call recording (only available for SIP calls, will not record calls from your GSM line)
*Bluetooth headset support
*Customizable ringtones
*Quickdial, your favorite contacts only one tap away
*Number rewriting, edit your existing contacts for SIP dialing without creating additional entries and program specific number to be dialed through specific accounts automatically
*in-call quality indicator, see network quality, packet loss and jitter
*Background noise suppression
*Quick import of accounts from major VoIP providers including sipgate, callcentric, voipcheap and many more.
*TLS support for encrypted SIP
*SIP Proxy Support, VPN Support (configure VPN in iOS settings)
*Excellent sound quality, supports OPUS, G.722, G.711, iLBC and GSM.  Make an in app purchase to add G.729 for great performance over 3G networks
*SIP Log for troubleshooting

If you have an issue with Groundwire, please contact our support even if you leave a review stating the problem.  Groundwire is highly configurable so problems that seem insurmountable may just require a couple of adjustments to the settings.    

Groundwire fans, please rate Groundwire or leave a review.  

***NOTES - IMPORTANT, PLEASE READ***

SIP - 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.

VoIP over 3G - Be aware that some mobile network operators prohibit or restrict the use of VoIP over their network.  They may prohibit the use of VoIP or impose additional fees and/or charges when using VoIP over their network.  By using Groundwire over 3G, you agree to abide by any restrictions your cellular carrier imposes and agree that Acrobits will not be held responsible for any charges, fees or liability imposed by your carrier for using Groundwire over their 3G network.

Designed from the ground up with the mobile user in mind, Groundwire is the first mobile SIP Client capable of replacing your desktop phone.  Combining all the features business users need (see below) with intuitive features created with the mobile user specifically in mind (number rewriting, address book matching and more), Groundwire will quickly have you wondering how you survived without it before.

Check out the tutorials and knowledgeable articles at the links below:

https://www.acrobits.net/hesk/knowledgebase.php

For the list of providers and VoIP services tested with Groundwire, see http://www.acrobits.cz/about-us/partners#tab_verified-voip-operators

And check out https://www.acrobits.net/products/retail#tab_softphone for a side by side comparison of the most popular features of Acrobits Softphone and Groundwire.

*CallKit support!
*Push Notifications for long battery life
*Video Calling - H263, H264 and VP8 codecs
*Multi line
*SIP SIMPLE messaging, with picture, video and other attachments, typing and delivery notifications
*Call conferencing
*Transfer and attended transfer
*Call waiting
*Voicemail Notification and programmable Voicemail dialer
*ZRTP support (through in app purchase), the latest in secure calling for SIP
*Busy Lamp Field
*backgrounding support
*Call recording (only available for SIP calls, will not record calls from your GSM line)
*Bluetooth headset support
*Customizable ringtones
*Quickdial, your favorite contacts only one tap away
*Number rewriting, edit your existing contacts for SIP dialing without creating additional entries and program specific number to be dialed through specific accounts automatically
*in-call quality indicator, see network quality, packet loss and jitter
*Background noise suppression
*Quick import of accounts from major VoIP providers including sipgate, callcentric, voipcheap and many more.
*TLS support for encrypted SIP
*SIP Proxy Support, VPN Support (configure VPN in iOS settings)
*Excellent sound quality, supports OPUS, G.722, G.711, iLBC and GSM.  Make an in app purchase to add G.729 for great performance over 3G networks
*SIP Log for troubleshooting

If you have an issue with Groundwire, please contact our support even if you leave a review stating the problem.  Groundwire is highly configurable so problems that seem insurmountable may just require a couple of adjustments to the settings.    

Groundwire fans, please rate Groundwire or leave a review.  

***NOTES - IMPORTANT, PLEASE READ***

SIP - 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.

VoIP over 3G - Be aware that some mobile network operators prohibit or restrict the use of VoIP over their network.  They may prohibit the use of VoIP or impose additional fees and/or charges when using VoIP over their network.  By using Groundwire over 3G, you agree to abide by any restrictions your cellular carrier imposes and agree that Acrobits will not be held responsible for any charges, fees or liability imposed by your carrier for using Groundwire over their 3G network.

Designed from the ground up with the mobile user in mind, Groundwire is the first mobile SIP Client capable of replacing your desktop phone.  Combining all the features business users need (see below) with intuitive features created with the mobile user specifically in mind (number rewriting, address book matching and more), Groundwire will quickly have you wondering how you survived without it before.

Check out the tutorials and knowledgeable articles at the links below:

https://www.acrobits.net/hesk/knowledgebase.php

For the list of providers and VoIP services tested with Groundwire, see http://www.acrobits.cz/about-us/partners#tab_verified-voip-operators

And check out https://www.acrobits.net/products/retail#tab_softphone for a side by side comparison of the most popular features of Acrobits Softphone and Groundwire.

*CallKit support!
*Push Notifications for long battery life
*Video Calling - H263, H264 and VP8 codecs
*Multi line
*SIP SIMPLE messaging, with picture, video and other attachments, typing and delivery notifications
*Call conferencing
*Transfer and attended transfer
*Call waiting
*Voicemail Notification and programmable Voicemail dialer
*ZRTP support (through in app purchase), the latest in secure calling for SIP
*Busy Lamp Field
*backgrounding support
*Call recording (only available for SIP calls, will not record calls from your GSM line)
*Bluetooth headset support
*Customizable ringtones
*Quickdial, your favorite contacts only one tap away
*Number rewriting, edit your existing contacts for SIP dialing without creating additional entries and program specific number to be dialed through specific accounts automatically
*in-call quality indicator, see network quality, packet loss and jitter
*Background noise suppression
*Quick import of accounts from major VoIP providers including sipgate, callcentric, voipcheap and many more.
*TLS support for encrypted SIP
*SIP Proxy Support, VPN Support (configure VPN in iOS settings)
*Excellent sound quality, supports OPUS, G.722, G.711, iLBC and GSM.  Make an in app purchase to add G.729 for great performance over 3G networks
*SIP Log for troubleshooting

If you have an issue with Groundwire, please contact our support even if you leave a review stating the problem.  Groundwire is highly configurable so problems that seem insurmountable may just require a couple of adjustments to the settings.    

Groundwire fans, please rate Groundwire or leave a review.  

***NOTES - IMPORTANT, PLEASE READ***

SIP - 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.

VoIP over 3G - Be aware that some mobile network operators prohibit or restrict the use of VoIP over their network.  They may prohibit the use of VoIP or impose additional fees and/or charges when using VoIP over their network.  By using Groundwire over 3G, you agree to abide by any restrictions your cellular carrier imposes and agree that Acrobits will not be held responsible for any charges, fees or liability imposed by your carrier for using Groundwire over their 3G network.

Designed from the ground up with the mobile user in mind, Groundwire is the first mobile SIP Client capable of replacing your desktop phone.  Combining all the features business users need (see below) with intuitive features created with the mobile user specifically in mind (number rewriting, address book matching and more), Groundwire will quickly have you wondering how you survived without it before.

Check out the tutorials and knowledgeable articles at the links below:

https://www.acrobits.net/hesk/knowledgebase.php

For the list of providers and VoIP services tested with Groundwire, see http://www.acrobits.cz/about-us/partners#tab_verified-voip-operators

And check out https://www.acrobits.net/products/retail#tab_softphone for a side by side comparison of the most popular features of Acrobits Softphone and Groundwire.

*CallKit support!
*Push Notifications for long battery life
*Video Calling - H263, H264 and VP8 codecs
*Multi line
*SIP SIMPLE messaging, with picture, video and other attachments, typing and delivery notifications
*Call conferencing
*Transfer and attended transfer
*Call waiting
*Voicemail Notification and programmable Voicemail dialer
*ZRTP support (through in app purchase), the latest in secure calling for SIP
*Busy Lamp Field
*backgrounding support
*Call recording (only available for SIP calls, will not record calls from your GSM line)
*Bluetooth headset support
*Customizable ringtones
*Quickdial, your favorite contacts only one tap away
*Number rewriting, edit your existing contacts for SIP dialing without creating additional entries and program specific number to be dialed through specific accounts automatically
*in-call quality indicator, see network quality, packet loss and jitter
*Background noise suppression
*Quick import of accounts from major VoIP providers including sipgate, callcentric, voipcheap and many more.
*TLS support for encrypted SIP
*SIP Proxy Support, VPN Support (configure VPN in iOS settings)
*Excellent sound quality, supports OPUS, G.722, G.711, iLBC and GSM.  Make an in app purchase to add G.729 for great performance over 3G networks
*SIP Log for troubleshooting

If you have an issue with Groundwire, please contact our support even if you leave a review stating the problem.  Groundwire is highly configurable so problems that seem insurmountable may just require a couple of adjustments to the settings.    

Groundwire fans, please rate Groundwire or leave a review.  

***NOTES - IMPORTANT, PLEASE READ***

SIP - 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.

VoIP over 3G - Be aware that some mobile network operators prohibit or restrict the use of VoIP over their network.  They may prohibit the use of VoIP or impose additional fees and/or charges when using VoIP over their network.  By using Groundwire over 3G, you agree to abide by any restrictions your cellular carrier imposes and agree that Acrobits will not be held responsible for any charges, fees or liability imposed by your carrier for using Groundwire over their 3G network.

Designed from the ground up with the mobile user in mind, Groundwire is the first mobile SIP Client capable of replacing your desktop phone.  Combining all the features business users need (see below) with intuitive features created with the mobile user specifically in mind (number rewriting, address book matching and more), Groundwire will quickly have you wondering how you survived without it before.

Check out the tutorials and knowledgeable articles at the links below:

https://www.acrobits.net/hesk/knowledgebase.php

For the list of providers and VoIP services tested with Groundwire, see http://www.acrobits.cz/about-us/partners#tab_verified-voip-operators

And check out https://www.acrobits.net/products/retail#tab_softphone for a side by side comparison of the most popular features of Acrobits Softphone and Groundwire.

*CallKit support!
*Push Notifications for long battery life
*Video Calling - H263, H264 and VP8 codecs
*Multi line
*SIP SIMPLE messaging, with picture, video and other attachments, typing and delivery notifications
*Call conferencing
*Transfer and attended transfer
*Call waiting
*Voicemail Notification and programmable Voicemail dialer
*ZRTP support (through in app purchase), the latest in secure calling for SIP
*Busy Lamp Field
*backgrounding support
*Call recording (only available for SIP calls, will not record calls from your GSM line)
*Bluetooth headset support
*Customizable ringtones
*Quickdial, your favorite contacts only one tap away
*Number rewriting, edit your existing contacts for SIP dialing without creating additional entries and program specific number to be dialed through specific accounts automatically
*in-call quality indicator, see network quality, packet loss and jitter
*Background noise suppression
*Quick import of accounts from major VoIP providers including sipgate, callcentric, voipcheap and many more.
*TLS support for encrypted SIP
*SIP Proxy Support, VPN Support (configure VPN in iOS settings)
*Excellent sound quality, supports OPUS, G.722, G.711, iLBC and GSM.  Make an in app purchase to add G.729 for great performance over 3G networks
*SIP Log for troubleshooting

If you have an issue with Groundwire, please contact our support even if you leave a review stating the problem.  Groundwire is highly configurable so problems that seem insurmountable may just require a couple of adjustments to the settings.    

Groundwire fans, please rate Groundwire or leave a review.  

***NOTES - IMPORTANT, PLEASE READ***

SIP - 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.

VoIP over 3G - Be aware that some mobile network operators prohibit or restrict the use of VoIP over their network.  They may prohibit the use of VoIP or impose additional fees and/or charges when using VoIP over their network.  By using Groundwire over 3G, you agree to abide by any restrictions your cellular carrier imposes and agree that Acrobits will not be held responsible for any charges, fees or liability imposed by your carrier for using Groundwire over their 3G network.