Whenever a Q.931 entity is informed of a spontaneous data link layer reset by means of the DL-ESTABLISH indication primitive, the following procedures apply:
a) For calls in the Overlap Sending and Overlap Receiving states, the entity shall initiate clearing by sending a DISCONNECT message with cause No. 41, temporary failure, and following the procedures of 5.3.
b) For calls in the disestablishment phase (states N11, N12, N19, N22, U11, U12 and U19), no action shall be taken.
c) Calls in the establishment phase(states N1, N3, N4, N6, N7, N8, N9, U1, U3, U4, U6, U7, U8 and U9) and in the Active, Suspend Request, and Resume Request states shall be maintained according to the procedures contained in other parts of 5.