Why choose global contact services? Global Contact Services was founded to give businesses an alternative to the traditional call center outsourcing companies. These traditional players treat contact center services like a commodity, and accept high attrition, low skill levels and mediocre service as a necessary evil of contact centers.How do i contact global tel support? [email protected] (561) 349-4520 Administration: Monday - Friday 9am - 6pm Eastern Standard TimeWhy choose gcs for your contact center? "GCS has always been flexible to meet our needs and they strive to fully understand our business just as much as we do." Speak with a contact center expert. We’ll help you break through your call center challenges. Click to call 844-324-5427. Get the answers you are seeking.