angry office worker attending bad client on phone

agent aggressive anger angry annoyed arguing argument assistance assistant attendance attending bad business call care center centre chat claim claiming client complaining complaint computer conference confused conversation counsel custom customer employee executive failure frustrated headphones headset help impatience impatient incompetence incompetent insurance lag manager marketer marketing office online operator people phone problem receptionist representative sale service speaking stressed support talking tele telecommunication telemarketer telemarketing telephone telephonist trouble video woman work