An automatic call distributor (10) having a multiport switch (12) controlled by a central control processing unit (14) and an associated memory (16) for receipt of audio voice energy from answered telephonic calls through an external telephonic public switching network (22) to selectively...http://www.google.es/patents/US5724420?utm_source=gb-gplus-sharePatente US5724420 - Automatic call distribution with answer machine detection apparatus and method
Automatic call distribution with answer machine detection apparatus and ...
