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Groundwire

This guide explains how to download the "Groundwire: VoIP SIP Softphone" app on your device and configure or provision your desired sipcall phone number in a few simple steps.

Download​

Download the Groundwire: VoIP SIP Softphone app from the Google Play Store or the Apple App Store.

Image: App Store Groundwire: VoIP SIP Softphone

Registration​

Launch the "Groundwire: VoIP SIP Softphone" app on your device and begin the account setup using the account wizard.

Image: Start account assistant

Tap the gear icon (Settings) in the top right corner and open the "Accounts" menu.

Image: Open settings and SIP account

Tap the plus icon in the top right corner to configure your sipcall phone number for the "Groundwire: VoIP SIP Softphone" app.

Image: Add a new account

Select the sipcall profile using the search field.

Image: Choose sipcall profile

The configuration data can be found in the customer portal under "Phone numbers" -> "Phone number overview". Click on the desired phone number to view the configuration data (within the "SIP-Data" card).

Image: Enter Account Data

  • Title: <Any value>
  • Username: <Username>
  • Password: <VoIP-Password>

Complete the account setup by tapping "Save" in the top right corner.

Configuration​

Codec​

Go back to the settings and open the "Accounts" menu.

Image: Open SIP Accounts

Tap on the previously configured account.

Image: Choose account

Tap on the "Advanced Settings" menu.

Image: Open advanced settings

Next, tap on the "Codecs For Wi-Fi" menu under the "AUDIO CODECS" section.

Image: Open codecs for WLAN

Configure the "Codecs For Wi-Fi" under the "ENABLED CODECS" section as follows:

Image: Codec sequence for WLAN

  1. G.722
  2. G.711 A-law
  3. G.711 μ-law

Disable all other codecs by pressing and holding them, then dragging them to the "DISABLED CODECS" section.

info

Ensure that the "Packet Time" menu is set to "20ms." If not, adjust it accordingly.

Repeat the same process for the "Codecs For Mobile Data" menu:

Image: Codec sequence for mobile data

  1. G.722
  2. G.711 A-law
  3. G.711 μ-law

Disable all other codecs by pressing and holding them, then dragging them to the "DISABLED CODECS" section.

info

Ensure that the "Packet Time" menu is set to "20ms." If not, adjust it accordingly.

Network​

Go back to the settings and open the "Preferences" menu.

Image: Open preferences

Tap on the "Network" menu.

Image: Menu Network

Ensure that the "Network Priorities for RTP" menu is set to "Prefer Wi-Fi." If not, adjust it accordingly.

Image: Netowkr priorities for RTP

Complete the configuration by tapping "Done" in the top right corner.

Testing​

Now test your VoIP application by making both an incoming and an outgoing call.

Calls to other sipcall numbers are possible without a balance, while calls to paid landline or mobile networks require sufficient funds in your sipcall account.

If you encounter any issues, our customer service team will be happy to assist you.

Further resources​

For additional product information, downloads, and support, please visit the manufacturer’s website:

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