i have experience in configuring pbx in asterisk,never configured voip server in asterisk one of my client is a call centre
they are having 500 agents.i know vicidial, but client is not interested in vicidial.he had asked me following things.
Which application ill be using. (suggest)
which crm ill be using. (suggest)
which database ill be using. (suggest)
VOIP server should be with predective dialer (suggest)
i have some days with me so that i can give him a presentation.plz guide me for this, and plz tell me what points should i keep in