The hardware ID (MAC address) is what binds the phone's settings in Genesys Cloud CX to a physical phone. A hardware ID is a unique identifier for each network device, such as a phone. You can define the phone configuration in Genesys Cloud CX by specifying various settings, such as phone name, phone model, base settings, line appearance, etc. However, to associate these settings with a physical phone, you need to enter the hardware ID of the phone in Genesys Cloud CX. Reference: https://help.mypurecloud.com/articles/about-phones/ https://help.mypurecloud.com/articles/add-a-phone/

It has to be created manually is not a true statement regarding numbering plan in Genesys Cloud CX Telephony Admin menu. A numbering plan is a telecommunication scheme that assigns telephone numbers to subscribers and telephony endpoints in Genesys Cloud CX. A numbering plan can also define various aspects of call routing, such as:
How many digits are required to dial a destination number
Which digits are used to identify a country code, area code, or extension Which digits are used to access an outside line or an operator Which digits are used to indicate an emergency number or a special service A numbering plan does not have to be created manually in Genesys Cloud CX Telephony Admin menu . Genesys Cloud CX provides a set of default number plans that work for most users . You can also add and modify number plans with the following procedure . The Number Plan information page provides more details on the Genesys Cloud CX number plan implementation . Reference: https://help.mypurecloud.com/articles/number-plan-information/ https://help.mypurecloud.com/articles/add-number-plan/

Explanation
You cannot allocate multiple email addresses to receive suggestions, issues, and concerns regarding Genesys Cloud CX at your organization is a false statement. You can allocate multiple email addresses to receive suggestions, issues, and concerns regarding Genesys Cloud CX at your organization by using feedback email groups in Genesys Cloud CX Collaborate Content Management. Feedback email groups are groups of email addresses that receive feedback messages from users who view content items in Content Management. Content items are files or links that contain information or resources related to various topics or categories in Content Management. You can create feedback email groups and assign them to content items or categories based on your needs. References: https://help.mypurecloud.com/articles/content-management-overview/
https://help.mypurecloud.com/articles/create-a-feedback-email-group/
https://help.mypurecloud.com/articles/assign-a-feedback-email-group-to-a-content-item-or-category/