Summary

             Describes agreements necessary between Administrations which intend to exchange signalling information over common channel Signalling System No. 6. Examples are:

–           the number and type of links;

–           signalling method (en-bloc or overlap);

–           options;

–           etc.

             The outline of a test programme is provided with information on where further details may be found.

             Keywords

             –     agreement;

             –     common channel;

             –     line-up;

             –     signalling No. 6.