Please contact the following address. They are specilist in call centre for all media.They provide hardware and software solution.
Name Mr. Tom Mcgrew
International Sales Manager
cellit
Brent Wood
Tennessee
United States
(615)320-4975
(561)822-2977
Mail ID tmcgrew@cellit.com
Good luck
Send me a mail if you get in touch with him. My mail ID bala8@eth.net