There is an updated pull request by Johnnynator against master on the void-packages repository

https://github.com/Johnnynator/void-packages linphone
https://github.com/void-linux/void-packages/pull/46803

linphone-desktop: update to 5.1.2
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#### Testing the changes
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A patch file from https://github.com/void-linux/void-packages/pull/46803.patch is attached