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How do prepaid calling cards work in SIP? sagitraz 16-June-2008 09:50:06 AMComments It depends on billing system ralisation. AAA is used to authoraize and authenticate calling part. Also IVR subsystem is used for refill purposes. For detailed info you can check http://www.voip-info.org Posted by avloginov |
Posted: 18-June-2008 02:11:01 AM By: avloginov It depends on billing system ralisation. AAA is used to authoraize and authenticate calling part. Also IVR subsystem is used for refill purposes. For detailed info you can check http://www.voip-info.org |