An off-board or remote database controls routing of out-of-band signaling messages through signaling transfer points (STPs). The preferred embodiment relates to improvements in an SS7 common channel interoffice signaling system which transports routing control type signaling messages and...http://www.google.com.tw/patents/US5708702?utm_source=gb-gplus-share專利 US5708702 - Dynamic STP routing in response to triggering
