10000000000000000and 10% no issue in changing names , good house keeping practice , always try and reference things that ,make sense so the associated sig group change its name to match or reference the trunk, if viable due to routing same with the route pattern , always , always do this i try and set my systems up so if a total newbee looked at it they could work out what is associated to what by list commands via the name , I cant stress how important this type of activity is it may seem minor as it has no effect on the actual behavior of the system but when it comes to trouble shooting it can make all the difference
APSS (SME)
ACSS (SME)
ACIS (UC)