Information technology. Private integrated services network (PISN). Specification, functional model and information flows. Message waiting indication supplementary service (MWISD)
Keyword(s):
2015 ◽
1998 ◽
Keyword(s):
1996 ◽
1997 ◽
2015 ◽
2015 ◽
2015 ◽
Keyword(s):
1997 ◽
2015 ◽
Keyword(s):
2015 ◽
