Pryme PTTZ
Pryme Accessories make a PTT button that pairs with your iOS device.
https://www.pryme.com/index.php?l=product_detail&p=2454
After you turn on Bluetooth in the device settings, you must pair the bluetooth device within ESChat app.
To pair the Pryme device for use with your ESChat app:
Make sure the Pryme button you want to pair is turned on and within 30 feet of your phone.
To turn on the Pryme button, unscrew the cap, and with the tip of a pen, move the switch to the ON position as shown below.
Go to “Settings” on your device and enable Bluetooth.
Once your device’s Bluetooth is enabled, go to the ESChat app.
Go to the Client Settings Menu under the “More” tab, and select “PTT Button.”
In the drop-down menu, select Bluetooth LE.
Press the PTT button while the device is attempting to pair to encourage a connection.
8. In the following example you can see that the PTT-Z is paired.
9. Note that in the menu below, that “Allow Bluetooth Audio” is selected and that there is a selected Default Callee that the PTT button has as its primary contact connection.
10. Press “Done” to exit out of the Client Settings Menu, and your device is now paired for use!