| 摘要 |
System for providing signalling based collect calls, said system comprising of: one calling party A (CP-A) atleast one receiving party B (RP-B) at least one Originating Switching Center (OSC), atleast one Terminating Switching Center (TSC) one Collect Call Server (CCS) that hosts the white list of the called party RP-B and Billing System (BS). The collect calls made by CP-A to RP-B are routed to the OSC, said OSC identifies said call as a collect call with predefined parameters and sends the signal to Collect Call Server(CCS), the CCS checks if CP-A is on the white-list of RP-B, on affirmation of which CCS sends signal to OSC to send call to TSC with billing parameter sent to said BS for charging the call to said RP-B, wherein TSC shall set up the call between CP-A and RP-B, on non-affirmation of which, said collect call request is rejected. |
