Set this parameter to TERMINAL to act as Terminal Equipement and receive the clock reference from the network. A media gateway often connects SIP terminals to the PSTN. In such cases, the media gateway must be seen in the PSTN network as an ISDN terminal equipment (TE) or terminal end device.

Set this parameter to NETWORK to act as Network equipement like a PSTN switch. If you connect to a PSTN switch set, this parameter to TERMINAL. In some circumstances, the Gateway might be used to connect a TDM PBX to a VoIP carrier. In this scenario, the media gateway must be seen by the TDM PBX; therefore, the media gateway must be configured as an ISDN network termination (NT) or network end device.