It's important to note that integration from your VoIP provider is from your provider to Pabau, meaning you would need to speak directly with your provider as to if they can integrate with Pabau or not.
Please note: Pabau does not provide support or integration advice on connecting your VoIP phone to the CRM, however it is most certainly possible to have a contact profile opened upon answering a call providing a) Your provider allows for this or b) You have a VoIP developer who can work and build the connection.
If you were to configure your phone to open the following URL, parsing the contacts [NUMBER] as follows:
Pabau will open up the clients profile doing a client lookup on the incoming caller number.
Ring Central desktop app has an ability to screen pop a third party URL.