1、INTERNATIONAL TELECOMMUNICATION UNION)45G134 (b) that it would be helpful for outgoing countries to be certain that the gentex calls can be put through with aloss probability sufficient to maintain the grade of gentex service without delay working;(c) that small offices connected to the gentex netwo
2、rk cannot ensure, at the incoming end, a very high grade ofservice, otherwise their equipment would be uneconomically used;(d) that it is sufficient for an outgoing country to be able to count on an average grade of service for all gentexcalls to a given incoming country,unanimously declares(1) that
3、 it is helpful to define an average grade of service between countries for gentex calls;(2) that this grade of service should be expressed as the proportion of calls that reach the incoming countryparticipating in the gentex service, but that fail to get through to its gentex stations; and(3) that this grade of service should not involve more than an average of 1 lost call in 10 during the busy houron a normal day. Calls routed to an overflow position are considered as successful calls.
