ITU-T Q 109 FRENCH-1988 TRANSMISSION OF THE ANSWER SIGNAL IN INTERNATIONAL EXCHANGES《国际交换中应答信号的传输》.pdf

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1、UNION INTERNATIONALE DES TLCOMMUNICATIONSUIT-T Q.109SECTEUR DE LA NORMALISATIONDES TLCOMMUNICATIONSDE LUITRECOMMANDATIONS GNRALESSUR LA COMMUTATIONET LA SIGNALISATION TLPHONIQUESCLAUSES APPLICABLES AUX SYSTMESNORMALISS DE LUIT-TTRANSMISSION DU SIGNAL DE RPONSEDANS LES CENTRES INTERNATIONAUXRecommand

2、ation UIT-T Q.109(Extrait du Livre Bleu)NOTES1 La Recommandation Q.109 de l UIT-T a t publie dans le fascicule VI.1 du Livre Bleu. Ce fichier est un extrait duLivre Bleu. La prsentation peut en tre lgrement diffrente, mais le contenu est identique celui du Livre Bleu et lesconditions en matire de dr

3、oits dauteur restent inchanges (voir plus loin).2 Dans la prsente Recommandation, le terme Administration dsigne indiffremment une administration detlcommunication ou une exploitation reconnue. UIT 1988, 1993Droits de reproduction rservs. Aucune partie de cette publication ne peut tre reproduite ni

4、utilise sous quelque formeque ce soit et par aucun procd, lectronique ou mcanique, y compris la photocopie et les microfilms, sans laccord crit delUIT.Fascicule VI.1 - Rec. Q.109 1Recommandation Q.109Fascicule VI.1 - Rec. Q.1091.9 TRANSMISSION DU SIGNAL DE RPONSE DANS LES CENTRES INTERNATIONAUXOn do

5、it, pour les raisons dcrites dans la Recommandation Q.27, rduire au minimum les dlaisquentranent:- la conversion du signal national de rponse en signal international de rponse, et rciproquement,- la transmission du signal international de rponse sur la partie internationale de la connexion,car ces dlais viennent sajouter aux dlais ventuels dus des conversions et des rptitions du signal derponse lintrieur des systmes nationaux du pays darrive et du pays de dpart.

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