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Groundwire

Instructions for configuring and connecting the Groundwire softphone to MikoPBX

Groundwire is a softphone that offers low power consumption by avoiding constant SIP session maintenance with the server. When an incoming call arrives, a PUSH notification is first sent to the smartphone, which then launches the SIP client and establishes a connection to the server.

Softphone Setup

  1. Download and open the Groundwire app on your smartphone.

Main menu

  1. Go to Groundwire settings by tapping the corresponding icon at the top of the screen.

Settings button

  1. Go to the "Accounts" section:

"Account" section

  1. Add a new account by tapping the "+" icon at the top of the screen.

  2. Select "Generic SIP Account."

  3. Fill in the required data:

    • Title – An arbitrary account name.

    • Username – The employee’s extension number (e.g., 201).

    • Password – The SIP password from the employee’s configuration.

    • Domain – The IP address of your MikoPBX server.

Data for SIP connection

  1. Go to "Advanced Settings."

  2. In "Audio Codecs" → "Codecs for Wi-Fi," choose the desired codecs for use.

Audio codecs

  1. Navigate to "Caller Id Method." Select "P-Asserted-Identity."

Section "Caller Id Method"

Save the settings. A connection attempt will occur. In the MikoPBX "Employees" section, you can see a status indicator confirming a successful connection:

Successful SIP-connection

Configuring Employee Status Monitoring

Groundwire can display the current status of employees (see example below):

Employee statuses

To enable this feature, populate the "Quick Dial" section with employees. Tap "EDIT" at the top of the screen. Then tap the "+" at the bottom of the screen to add entries:

  • Title – The employee’s name to display in "Quick Dial."

  • Number or SIP Address – The employee’s extension number.

Tap "Save."

New employee in the "Quick Dial" section

Configuring GroundWire with Encryption

  1. In the MikoPBX web interface, open the employee’s SIP account settings. Change the "Transport Protocol" to "tls."

Changing the transport protocol

  1. In Groundwire → Employee’s SIP Account Settings, change the "Domain" field to "MikoPBXAdress:NumOfTLSPort".

You can find or change the TLS port in MikoPBX’s "General Settings" → "SIP."

Domain for the TLS connection

  1. Go to "Advanced Settings" → "Transport Protocol" and change "udp" to "tls (sip)."

Changing the transport protoco

  1. In the "Advanced Settings" of your SIP account, go to "Secure Calls" and, under the "SDES" section, set "Incoming Calls" and "Outgoing Calls" to "Required":

SDES Parameters

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