BTTC (best time to call)/ Outbound call optimization
IVR (interactive voice response)
CTI (computer telephony integration)
Enterprise Campaign Management
Outbound predictive dialer
CRM (customer relationship management)
CIM (customer interaction management) solutions (Also known as 'Unified' solutions)
Email Management
Chat and Web Collaboration
Desktop Scripting Solutions
Issue tracking system
Outsourcing
Third party verification
TTS (text to speech)
WFM (workforce management)
Virtual queuing
Voice analysis
Voice recognition
Voicemail
VoIP
Speech Analytics
Knowledge Management System
Electronic performance support systems
呼叫中心的专利
有大量的专利覆盖呼叫中心技术的各个方面。该领域的一名早期的发明家,Ronald A Katz,个人拥有超过50项的早期专利发明。其专利覆盖了免费电话号码技术、自动伺服技术、自动电话分配、语音响应单元、计算机电话集成以及语音识别。超过100家的公司,包括AT&T、IBM、CitiBank等,使用了Katz先生的专利技术。