What IP Cameras Support Embeded Timecodes, And How Do You Find Out?

Does anyone know which IP cameras support embedding timecodes in their video streams? I hoping to use the timecode data to sync up other data streams (e.g. Point-of-Sale), but I can't seem to find any information on this.

Also if anyone has experience syncing CCTV data to other data streams it would be great to hear your experiences.

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**** ***** ** ***.

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