Counts the number of channels in the groups matching the specified pattern.
Calculates the group count for all groups that match the specified pattern. Note: category matching is applied after matching based on group. Uses standard regular expression matching on both (see regex(7)).
groupmatch- A standard regular expression used to match a group name.
category- A standard regular expression used to match a category name.
This documentation was imported from Asterisk Version SVN-branch-11-r379343