22 Dec
2008
22 Dec
'08
7:08 a.m.
Hi Friends! I wish to do something like: - Authorize all sip clients in external DB, for example postgresql. - Control each call session duration, just like prepaid calling card. - LCR, if one voip provider can't connect call into PSTN, try next PSTN supplier. Please help me, i can't understand what is docs i might to read to know how to do it. Could you show me some links and terms. explain it? Thank you so much! DM