ITU-T E 148 FRENCH-1993 ROUTING OF TRAFFIC BY AUTOMATIC TRANSIT EXCHANGES《自动转接交换业务路由 2号研究组》.pdf

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1、UNION INTERNATIONALE DES TLCOMMUNICATIONS5)4 4 E.148SECTEUR DE LA NORMALISATIONDES TLCOMMUNICATIONSDE LUIT2 3%!5 4 , 0(/.)15% %4 2.)3%80,/)4!4)/. .5- 2/4!% !#(%-).%-%.4 %4 3%26)#% -/“),%!#(%-).%-%.4 $5 42!b) la constitution de circuits directs peut tre prfre un acheminement entirement en transit pou

2、r dautresraisons, par exemple la constitution de circuits pour transmissions radiophoniques, de circuits deconversation pour ces transmissions, de circuits pour tlgraphie harmonique, etc.2ecasDans certains cas, spcialement si le trafic entre deux pays est important et si, par exemple, cela peut conduire diffrer une nouvelle installation, il peut tre avantageux dacheminer une certaine proportion de traficsupplmentaire (trafic de pointe) par un centre de transit automatique.

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