Question: What should a device do when encountering an unknown parameter in media types like 'audio/3gpp' or 'video/3gpp', as per specifications for transparent end-to-end packet switched streaming service?
Option 1: Reject the entire media stream
Option 2: Attempt to interpret it based on similar known parameters
Option 3: Request additional information from the sender
Option 4: Ignore the unknown parameter
Explanation: According to specifications, any unknown parameter in 'audio/3gpp' and 'video/3gpp' media types should be ignored. This ensures seamless streaming without interruptions, allowing the device to process the rest of the stream as usual, maintaining compatibility and preventing potential errors or rejections.