Acrobits Groundwire - Wiki

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Acrobits Groundwire

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GroundWire is an Android and iOS business Softphone application built by Acrobits, s.r.o. Fully certified, you will be able to register your account quickly and easily.


Application Features

Push Notifications for incoming calls for improved battery life
Call Conferencing
Transfer and Attended Transfer
Call Forwarding
Bluetooth headset support
Secure calling through SRTP (SDES)
ZRTP support (through in app purchase), the latest in secure calling for SIP
Support for use on wifi and 3G networks
backgrounding support with status bar notification; check your email or other tasks while still available for calls on the Softphone
quick import of accounts from major VoIP Providers
call recorder and player, seamlessly integrated into the call history
Bluetooth headset support
HD Wideband audio through G.722 and Opus codecs
excellent sound quality, includes the G.711 (ulaw and alaw) and GSM audio codecs. Make an in app purchase to add G.729 Annex A for great quality over 3G networks
TLS support for encrypted SIP
audio codec manipulation, enabling you to prioritize the codecs used and disable ones you don’t want to use
comfortable and super-smooth user interface, fine-tuned specially for Android
easy, intuitive configuration
simultaneous registration of multiple SIP accounts, have multiple accounts registered to receive incoming calls and switch the account used for outgoing calls without leaving the keypad
Android contacts integration. Easy to call anyone in your contacts via SIP
add new contacts directly from Groundwire
ability to generate DTMF tones while in call, to control various PBX features or automated systems (use audio, rfc 2833 or SIP INFO)
speakerphone support
detailed call history
configurable RTP port range
SIP Proxy support
STUN server support, automatic service discovery using DNS SRV queries
phone number resolution. We present the phone numbers in a convenient format with grouped digits, display the flag and country name and even region/city name for some countries, including USA

Configuration Details

The configuration will be done in only 3 steps. Once you have downloaded GroundWire from Google Play/Apps Store, you will need to start the application.

On the initial start up for Android, the Acrobits Groundwire App will require some rights such as access to your microphone and call information to be able to fully use this application.

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Once this is done, you have to create your first SIP account. In this section, has been certified by Acrobits and we are in the provider list. Simply type "" into the upper search box and click on it to start the configuration.

Acrobits Groundwire Search.png

In this section, you will need to fill the fields with your main account/sub account information. You will also need to specify the server that you want to be registered on.

Acrobits Groundwire AccountConfig.png

  • Title: You will be able to rename this field if you plan to use more than one account on this apps.
  • Username: You main SIP account or sub account username
  • Password: The password you set for the account / sub account
  • Domain: One of multiple servers, you can choose the one closest to your location.

Finally, click on the upper right "Save" button and you will be able to start using your account with Acrobits GroundWire softphone apps.

Acrobits Groundwire vms.png

If you need assistance during the configuration, don't hesitate to contact support.

Outbound CallerID Name

Under the apps settings, click on "Accounts" then on the SIP account you need to add an Outbound Caller ID to. Click on "Advanced settings". Scroll down to "Caller Identification".

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Voicemail settings

If you would prefer to have easy access to your Voicemail instead of dialing *97/*98, you can set your voicemail number directly in your settings. Doing this, you will be able to click directly on a "voicemail" button directly from your dialpad when you have a voicemail.

Under the app's settings, click on "Accounts", then the SIP account you need to add a Outbound Caller ID. Click on "Advanced settings". Scroll down to "Voicemail Settings"

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Codec G.729a

The codec G.729a is an advanced biterate codec that requires less bandwidth, ideal if you have only access to a 3G network. This codec requires you to purchase the license to be able to used it. To do so, you need to go on your in-apps settings, above "Application settings" click on "Complement", then under Codecs "G.729 Codec of Annexe A", you will be able to purchase it.

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