Asterisk Billing for ITSP

We are looking for some one who can make asterisk billing for VOIP service provider attractive and user friendly Interface, Preinstalled Asterisk, Mysql, and PHP Below is the Feature we need in Administration Web Panel Sip Client: Sip client list, Add new sip client, Add new client payment, Edit sip client, Delete selected sip client, Inbound Client: Inbound client list, Add new inbound client, Add new client payment, Add IP for inbound authentication, Edit inbound client, Delete selected client, Outbound Trunk: Outbound trunk list, Add new gateway trunk with Trunk name – IP Address – Sip port and Codec selections, Edit outbound trunk, Delete selected trunk, Dial Plan: Dial plan list, Add new dial plan with Dialing prefix – Dialing rules – Priority – Outbound Gateway selection , Edit dial plan, Delete selected dial plan, Tariff Rate : Rate tariff list, Add new tariff with tariff Name – min duration – resolution and grace period, Edit new tariff, Add country rate, Edit country rate, CDR: Call record report, Search field (Date from and to - Time from and to – Client - Gateway) Display record (Call date and Time – Sip Client – ANI Number – Dialed Number – Tariff – Destination Number – Gateway – Duration – Client Cost) ACD / ASR Report: Total call report, Search field (Date from and to - Time from and to – Client - Gateway) Display record (ACD – ASR – Total number of call – Failed calls - Total Duration – Total Gateway cost – Total Client Cost) Monitoring: Show registered sip user list, unregistered list Call Log: Show Asterisk CLI activity for Debugs Payment list: Show all day payment add record Active Call: Show Sip peer active call with details Some Maintenance Miscellanies and Tool feature would helpful for administration