Hi,

I'm looking for a way to be able to pass extra information (one image data for example) in a call.

The purpose is to be able to display a preview image of the caller on the target device (mobile) so that they can see it before taking or rejecting the call.

Currently, I have the image saved and send it using a push notification when the call occurs but I would like to skip that step and send it over SIP. In this way, you could send the image on the fly without having to store it on the server.

For this, I need to know if there is the possibility of sending the image as data using the SIP protocol, in the SIP INVITE header or using an additional method so that the target endpoint (mobile) can see the image before to take the call.

Any ideas on how to do it?

José David Jurado Alonso

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