On Cabling Installation & Maintenance, find the date and topic of the next upcoming webinar. Additionally, locate the primary contact method for advertising and sponsorships, even if it's a general inquiry form or page on a related site. Provide the webinar details and the direct contact information or instructions.
Navigate to 'cablinginstall.com'. Identify and extract the date and topic of the next upcoming webinar from the homepage. Locate and click on the 'About Us' link in the footer. On the 'About Us' page, click on the 'Advertising & Sponsorships' link. On the redirected 'Digital Infrastructure Group' website, locate and click on the 'Contact Us' link. Scroll down the 'Contact Us' page to find the advertising contact information or form. Extract the relevant advertising contact details or instructions.
State the date of the next upcoming webinar as 'June 17th'. State the topic of the next upcoming webinar as 'how to avoid testing and labeling mistakes'. Provide the primary contact method for advertising and sponsorships, which should be the email address 'digitalsales@endeavorb2b.com' found on the 'Contact Us' page of digitalinfrastructure.endeavorb2b.com after scrolling.