Hi
our current contact center is based nortel cs1000 and cc6, there is a project of international telemarketing over 6 different countries needed to get idea of what is required do we need to implement sip,or viop because ordinary pstn fee is very high any advice is appreciated.
our current contact center is based nortel cs1000 and cc6, there is a project of international telemarketing over 6 different countries needed to get idea of what is required do we need to implement sip,or viop because ordinary pstn fee is very high any advice is appreciated.