ESpaceMediaTeller.html Page Does Not Ring After Receiving a Call from the ESpace

User A opens the ESpaceMediaTerminal.html page and successfully logs in to a VTM. User B opens the ESpaceMediaTeller.html page and successfully logs in to a VTA. On the ESpaceMediaTerminal.html page, user A enters the access code, selects 0-audio, and clicks Call to initiate a call. The ESpaceMediaTeller.html page does not ring and directly enters the unready state. The ESpaceMediaTerminal.html page then releases the call.