In telecommunications the automatic call-back is a computer telephone function which allows the user by the engaged addressee’s line or in the other case of the subscriber’s inaccessibility indicating the system to save the number of the called subscriber and make the call when the line will be available or when the called number is not engaged.
Hi
I am shumon from Dhaka , my dalier is SHINETELL which one is btcl route if u r interested pls knock me price is good enough and attaractive.
Thanks
hamid
shinetell