The invention discloses a multi-media calling central system based in ParlayAPI , including: -- Parlay gateway module; -- calling controlling module; --seat controlling module; --media server module. Parlay gateway module is used to make the calling orders communicate with flexible exchanger and relative media exchanger connects with flexible exchanging and media server module. And calling controlling module is used to deliver controlling orders and to get the despondence connects with Parlay gateway module. When the seats controlling module connects with the calling controlling module, which is used to exchange the messages with controlling module under CSTA deliberation. |