# h324Extract syntax

h324Extract is installed in the C:\nms\bin\ directory in Windows or the /opt/nms/bin/ directory in UNIX.

h324Extract uses the following syntax:

h324Extract [-3gp][-o]<h324 log file> <h223 stream file> [<output file name>]

where:

Argument | Description
-3gp | Command to convert the generated audio and video files to 3gp file format. To use this capability, the 3gpapp utility must be accessible on the same platform.
-o | Indicates the data in the given H.223 stream input file is from the outgoing TDM bearer channel, for example, line.out. If this argument is not specified, it indicates that the data in the given file is from the incoming TDM bearer channel, for example, line.in.
h324 log file | The name of the log file created by the Video Access H.324M Middleware. h324Extract uses this log file to extract the audio and video data from the stream.
h223 stream file | The name of the file that contains the recorded TDM bearer channel data. You can use the linemon utility to record this data.
output file name | The name of the output file, as follows:
If you... | Output is created in...
Specify a file name | A file with the specified name
Do not specify a file name AND you specify the -3gp command | out.3gp
Do not specify a file name AND you do not specify the -3gp command | Two files with the name out.xxx, where xxx refers to the audio and video codecs in the bearer channel data as follows: amr – for AMR audio data 723 – for G.723 audio data 263 – for H.263 video data 264 – for H.264 video data m4v – for MPEG-4 video data