Do you have the business processed mapped out? If you do than go from that. Most canned solutions will want you to change your process to their process to use their app. At times that makes things difficult.
Making your own call center is not that hard if you had some time to understand what are all the business processes involved.
I created my first call center app back in R4.5 in 1996 after taking the Domino development and adminstration classes – it is not rocket science to build one.
Subject: There are dozens of excellent Domino based packages out there
The issue when searching is that sometimes they are called “Call Center”, sometimes “Help Desk”, sometimes “Customer Support”, etc. Also, this blurs into the CRM world as well.
I am NOT endorsing one over another… but here are some products you may want to look at (and there are many more)