Assalam-0-Alikum Friends Kya koi Bata sakta hai k call center ka buisness kesy start kia jaye or kya prdoct sale ki jaye mujhe is ka kuch idea nahi hai mein sirf 1 word janta hun call canter thats it mujhe detail mein batyen k kya hota hai or kitna earn kia ja sakta hai thank you