Which device translates between ISDN videoconferencing (H.320) and IP videoconferencing (H.323) environments?

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Multiple Choice

Which device translates between ISDN videoconferencing (H.320) and IP videoconferencing (H.323) environments?

Connecting ISDN-based videoconferencing (H.320) to IP-based videoconferencing (H.323) requires a device that interworks between two separate networks and signaling families. This role is fulfilled by a gateway. A gateway sits at the boundary between ISDN and IP networks, handling call setup translation between Q.931/H.320 and H.323, and often translating or transcoding media so that audio and video can be understood by the opposite side. It may adjust codecs and payload formats to fit the destination network, ensuring both ends can establish a session and exchange media. GIF is an image file format and has no role in bridging networks. G.711 is an audio codec used within many systems but does not perform cross-network translation. H.239 is a protocol used within H.323 to carry a second video channel for content sharing; it does not bridge ISDN and IP networks. The gateway is the device that makes cross-network videoconferencing possible.

Connecting ISDN-based videoconferencing (H.320) to IP-based videoconferencing (H.323) requires a device that interworks between two separate networks and signaling families. This role is fulfilled by a gateway. A gateway sits at the boundary between ISDN and IP networks, handling call setup translation between Q.931/H.320 and H.323, and often translating or transcoding media so that audio and video can be understood by the opposite side. It may adjust codecs and payload formats to fit the destination network, ensuring both ends can establish a session and exchange media.

GIF is an image file format and has no role in bridging networks. G.711 is an audio codec used within many systems but does not perform cross-network translation. H.239 is a protocol used within H.323 to carry a second video channel for content sharing; it does not bridge ISDN and IP networks. The gateway is the device that makes cross-network videoconferencing possible.

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