Often these calls are billed per call with additional message units applied to the calls that are forwarded 通常,這些呼叫按每一個(gè)呼叫計(jì)費(fèi),額外的信息部分附加給前轉(zhuǎn)的呼叫。
In sna , the forwarding of a message unit alonga particular path through a network , as determined by parameters carried in the message unit , such as the destination network address in a transmission header 在系統(tǒng)網(wǎng)絡(luò)體系結(jié)構(gòu)( sna )中,報(bào)文單位沿著特定路徑通過網(wǎng)絡(luò)的轉(zhuǎn)發(fā)過程,該路徑由報(bào)文單位包含的參數(shù)(如傳送標(biāo)題中的目的地網(wǎng)絡(luò)地址)確定。