There is no problem.
When your PMS is not integrated with B-Guest, you will be always notified by e-mail, sms or phone call. You choose.
Also, if the speakers are turned on and the B-Guest Backoffice is open, you will hear a ringing bell announcing the arrival of a new request.
When the new Check-In request arrives, you must open the B-Guest Backoffice, and click on the Check-In request.
The information can be copied and pasted from the b-guest Backoffice to your pms.
After copying all information to the guest profile on Cardex, you must change the status of Check-In to "Completed".