SPEAK-4G

SPEAK-4G

Getting Started

This guide is a simple overview of the only features 

Call the SIM card phone number of the SPEAK-4G, from any phone, to connect the loudspeaker audio automatically. There is nothing to press to start or end the audio. SPEAK-4G answers and ends when the incoming caller initiates and drops the call.

Info
Incoming calls from users can be locked to authorised Caller-ID only for enhanced security.

🔊 Preset Volume

  • Currently set to around 1/3 of maximum
  • Blue volume pot in the enclosure set around halfway
  • Set to 5 out of 20 on the remote adjustment

⚙️ Adjustment Methods

  • SMS commands (recommended for the SPEAK-4G device)
  • Web browser interface (www.controlfreq.co)
  • Mobile application (ControlFreqUK)

💬 SMS Commands

Send the following SMS commands (ie. ;PPA;) to the SIM card phone number to request or set parameters.

Check Current Parameters
;PPA;
Notes
This will return all device parameters. Look for ;SPK=XX; to check current volume level.

Adjust Volume Examples

1. To increase volume from 5 to 7:

;+SPK=7;

2. To decrease volume from 7 to 5:

;+SPK=5;

Warning
Warning: Only increase by 2 digits at a time to avoid unexpected over-amplification!  


Volume Adjustment Guide

1. Check Current Volume

Send ;PPA; which will return a number of parameters including speaker volume ie. ;SPK=XX;

2. Set New Level

Choose a new volume level (1–20), changing by only 2 digits at a time.

3. Send Command

Send ;+SPK=XX;  where XX is your desired volume level. Adding the + means you rewceive a reply confirmation by SMS.


Managing Authorised Users


1. Check Current Users

Send ;PTN; which will return the 5 user slots ie. ;TN1=;TN2=;TN3=;TN4=;TN5=;


2. Add New Users

Enter user phone numbers after each = symbol ie: ;TN1=xxxxxxxxxxx;TN2= xxxxxxxxxxx;TN3= xxxxxxxxxxx;TN4= xxxxxxxxxxx;TN5= xxxxxxxxxxx;


3. Delete Existing Users

Delete selected user phone numbers after each = symbol ie: ;TN1=xxxxxxxxxxx;TN2=;TN3=;TN4=;TN5=;


4. Send the SMS Command

Send ;+TN1=xxxxxxxxxxx;  where xxxxxxxxxxx is the user phone number. Adding the + means you rewceive a reply confirmation by SMS.

🛠️ Still need help?

Please raise a tracked support ticket with our team to provide required pre-check information. Our expert support engineers will reply or call as required after checking your device.

Contact Support


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