Ob hom chaw hu xov tooj yog inbound call centers thiab outbound call centers. Inbound call centers tau txais xov tooj los ntawm cov neeg siv khoom nrhiav kev pab, kev txhawb nqa, lossis cov ntaub ntawv. Lawv feem ntau yog siv rau cov neeg siv khoom, kev txhawb nqa, lossis pab pawg ua haujlwm ...
Nyeem ntxiv