see bug #41729
Created attachment 52273 [details] [review] call-channel: add TPY_CALL_CHANNEL_FEATURE_CORE We shouldn't try to connect D-Bus signals in a constructed function (fdo #41729); this has to be done when preparing the core feature of the object so it is guaranteed that TpProxy has already been prepared.
Attachment 52273 [details] pushed as ec9faee - call-channel: add TPY_CALL_CHANNEL_FEATURE_CORE
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