We are selected as the  development service provider for a large scale VOIP calling card  and billing system by a Carrier level  England VOIP company. Compared with old calling card system, there will many new features added , including customized IVR, caller id selection, caller id unblocking, recording, call plan management, online auto topup, it mainly target at subscribers like debit  collectors, detectives .The system will go into live in Feb.2009.