What about telephony/sessions event

[hydeonz]

when creating an event /account/account_id/telephony/sessions?sipData=true' shouldn't the event work for all account users? Because it turns out that the event works only for the admin, but not for other users. Is that what it's meant to be, or is it a bug?
for example:

POST /subscription
headers: content-type application/json
event-filters:
{
"/account/some_id/telephony/sessions?sipData=true"
}
deliveryMode:
{
some info...
}
from the parameters, I see that only rc_account_id plays a role, so why doesn't the event propagate to other account users?