still not working after changing to inboundWebhook.Phone, which is matching the number of the customer i am  expecting to receive the WhatsApp message from.

flow still stucked , attached the recieve node settings 

sure , i have replied the meessage from user WhatsApp application.

how can we exclude specific OU from sync ? 

Phase one:Verify Domain   DoneClaim Users      DoneClaim Domain   DoneSite linking        NA Phase two:DirSync                   DoneSSO                        DoneCalendar features    Done