Management of telephone call centers for others; operation of telephone call centers and customer service centers being telephone call centers for others providing telemarketing for advertising and sales purposes, scheduling appointments and reservations, consumer surveys and market research, responding to business inquiries via telephone for purposes of customer service and customer relationship management, on behalf of others; management and operation of customer service centers being telephone call centers for others via telephone, text, email, and online chat; providing call center services being management of telephone call centers for others, namely, appointment setting and reservation services, inbound and outbound communication services, and customer service; providing contact center services being management of telephone call centers for others via text, electronic communication and voicemail