changing phone number

Dear מוחמד אבו סאלח, Thank you for posting in the community!

You can change the phone number that the guest receiving by following the steps:  

1. Click on the ‘Account’ icon in the extranet, then select ‘Contacts’.

2. Select ‘Edit’ to change the primary point of contact (here you need to register the number that the future guest will receive). 

3. Remember to click ‘Save’ at the bottom of the page.

You can find the information about it, in the link below:

https://partner.booking.com/en-gb/help/property-page/how-can-i-change-my-contact-details

Best of Luck!