[Serusers] Some Question related to SER

Hi Iam working with SER Proxy to install between my voIP provider and my users I got some DID from VoIP provider He routed to my Server iam able to make calls and receive calls using serweb, iam able to see only out going call records but i have problems below 1. i dont see missed calls list 2. i dont see incoming number and Minutes 3. is there anything i can do with Voice message instead of sending email Like Asterix, Voice number dial and retrive voice message 4. how can i check the how many users are logged in in my server 5. how do i debug if some customer complaint certain time call quality not good is there any tools to measure this kind of problems ram