I have a remote user who uses an XMOBILE station (EC500) to receive calls at home. She is wanting to make calls outbound from her remote location using our PBX. She doesn't have a softphone installed. Is there any way that she can access our system remotely and make outgoing calls on our lines? I'm drawing a blank here as I have not worked on an Avaya system since way back in 2001. We have an Avaya G3Si version 11.....yes pretty old.