A method and apparatus for managing incoming and outgoing calls at an endpoint placed on hold are disclosed. A first call that includes an outbound media stream is established on a network between a first endpoint and a second endpoint. The first endpoint detects that the first call was placed on hold by the second endpoint and a second call between the first endpoint and a third endpoint after detecting that the first call was placed on hold. The first endpoint communicates the outbound media stream in the second call and mixes a first incoming media stream from the first call with a second incoming media stream from the second call for presentation to a user of the first endpoint.
An enhanced services display message protocol (ESDMP) facilitates display of messages in a compliant analog telephony device (ATD). An exemplary gateway device in a voice over packet (VOP) network can activate enhanced services in a compliant ATD using the ESDMP and includes a controller and first and second interfaces. One of the interfaces can transmit and receive communications over a VOP network. The other interface can transmit and receive voice band message data modulated according to a frequency shift keying (FSK) protocol. The ESDMP can be used to configure the gateway to activate features supported by the ATD, to update call state information and to display feature state information.
