On-premises VoIP call center

For call centers that want to sustain the traditional model (with each agent dialing and receiving calls from a single device while working in an office), VoIP can be used as a like-for-like replacement for traditional phone line connections. In other words, much of the focus of this approach is on voice communications.

In this setup, call center agents work at a specific location, typically using VoIP-enabled desk phones or a softphone program installed on computers and supported by headsets. Call routing and call distribution are handled by an on-premises system. In order for VoIP to be able to call regular landline numbers, it’s connected to the Public Switched Telephone Network via SIP trunking (Session Initiation Protocol trunking—more on this in the FAQs).

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