Can I know in which (location) call center you are working and also plz let me know no of seats currently you are running.
If you are using voip then you’ll be having voice related problem. Recording issue definitely you have to change your call center solution.
Ensemblepro dialer is most popular dialer and you will not face any kind of issue. I am system integrator of this dialer for the past 5 yrs.
Plz dont mind if you really wants to grow in this industry plz dont compromise with dialer solution.
In case you need any technical help plz reply.