hi! how do i create a hotline when i call a particular number eg x1000, the numbers within a group eg. 1001, 1002, 1003, 1004 will ring at the same time?
another question is that. how to i block a certain group of number from making idd or overseas call?
am quite new in cisco ip tel. can provvide me with a simple guidelines of how can i achieve the objecive above?