The history of contact centers dates back to the early 1900s. They were called call centers back then. As the name suggests, they handled calls only. The calls were made via Public Switched Telephone Network (PSTN). The early call centers were powered by Private Automatic Branch Exchange (PABX).  PABX were switchboards that connected several devices …

From PSTN to VoIP: How ITSPs Are Reshaping Contact Center Telephony Read More »