Use an HT503 to pass an analog feed


Looking to set up a Yealink Conference phone to connect to a Grandstream ATA with FXO
Need to be able to pass data to send out call to a old phone switch with analog ports.


The question being? While the response may seem trite, it’s not meant to be that way, but rather that more info about the scenario would be helpful in order to provide some guidance on how to overcome whatever issue you face.