| Access | Type |
|---|---|
| readwrite | unavailable(1), unused(2), outOfService(3), nailedUp(4), held(5), offHook(6), idle(7), clearPending(8), dialing(9), ringing(10), connected(11), signaling(12), cutThrough(13), currentD(14), backupD(15), maintainence(16), spcUp(17), disabled(18) |