Using Einstein Next Best Action is a solution that can address the concern of having too many buttons and components on the Case layout. Einstein Next Best Action is a feature that uses artificial intelligence to suggest the best actions or offers for each case, based on the case information, business rules, and predictive models. Einstein Next Best Action can help agents focus on the most relevant and effective features for each case and reduce clutter on the Case layout. Verified References: : https://help.salesforce.com/s/articleView?
id=sf.next_best_action_overview.htm&type=5 : https://help.salesforce.com/s/articleView?id=sf.
next_best_action_setup.htm&type=5

Field Service is the recommended solution for Ursa Major Solar because it allows them to manage mobile workforces, optimize schedules and routes, and dispatch technicians based on skills and location. Field Service also integrates with voice channels and provides real-time visibility into service delivery1 Verified References: 1: Field Service Overview

Explanation
Verifying that users are assigned the Chat feature license is the configuration option that should be verified if agents cannot see the Chat footer component in the Service Console. A Chat feature license is a type of license that enables users to access Chat functionality, such as initiating, receiving, transferring, or ending chat sessions, sending quick texts or files, or viewing chat reports. Users must have a Chat feature license assigned to their user record in order to use Chat in the Service Console. Verified References: Service Cloud Consultant Certification Guide & Tips, Assign Chat Licenses

Explanation
Setting the Contact Do not Call field value to true is a solution that can prevent one-click calling to customers who have set their communication preference to email only or text only. The Do not Call field is a standard field on the Contact object that indicates whether the contact does not want to receive phone calls. Setting this field to true will disable the one-click calling feature for that contact and show a warning message if an agent tries to call them. Verified References: :
https://help.salesforce.com/s/articleView?id=sf.contact_fields.htm&type=5 :
https://help.salesforce.com/s/articleView?id=sf.dialer_one_click_calling.htm&type=5