Question 3/XII - Definitions in the field of telephonometry and of
characteristics of international connections and circuits
(continuation of Question 35/XII studied in 1985-88)

Considering

(a) that there is a need for uniformity of terminology in the field of
telephonometry and of characteristics of international connections and
circuits, including transmission planning;

(b) that it appears desirable to collect the pertinent definitions in
one general Recommendation on terminology;

(c) that new concepts and terms are evolving,

the following should be studied:

What definitions should be given to terms used in the field of
telephonometry and of characteristics of international connections and
circuits?
Note 1 - This field includes such topics as general transmission
performance, transmission impairment, hypothetical reference
connections, propagation time, echo and stability.

Note 2 - Coordination with some other Study Groups (in particular with
Study Groups XI, XV and CMV may be necessary.

Note 3 - Study on this Question should be based on Recommendations G.100
and P.10.

Note 4 - Attention is drawn also to Recommendations of the A-Series.