Biznesmen cierpiący na ból głowy przy laptopie i papierach na stole roboczym - Zdjęcie stockowe & obraz

Male call center operator or telesales representative siting at his office desk wearing headset and in conversation with client providing customer service support or making persuasive sale. fervent

Male call center operator or telesales representative siting at his office desk wearing headset and in conversation with client providing customer service support or making persuasive sale. fervent

Client satisfaction is just a call away. a mature businessman using a cellphone at his desk in a modern office

Male call center operator or telesales representative siting at his office desk wearing headset and in conversation with client providing customer service support or making persuasive sale. fervent

Young attractive caucasian bearded businessman sitting on terrace of cafe, holding smart phone on shoulder and convincing client to have cooperation with him.

Diligent businessman busy talking on the phone call with clients while working with laptop in his office as concept of modern hardworking office worker lifestyle with mobile phone. Fervent