name: PDN CONNECTIVITY REJECT
full_form: Packet Data Network Connectivity Reject
context: If a PDN connection exists that was established due to a request including a low priority indicator set to "MS is configured for NAS signalling low priority" and the upper layers of the UE request to establish a PDN connection with the same APN and a low priority indicator set to "MS is not configured for NAS signalling low priority", when initiating the PDN connectivity request procedure, the UE shall:
  -	send a PDN CONNECTIVITY REQUEST message with the same combination of APN and PDN type as the existing PDN connection. If the UE receives a PDN CONNECTIVITY REJECT message with ESM cause #55 "multiple PDN connections for a given APN not allowed", the upper layers are informed of this; or
  -	send a PDN CONNECTIVITY REQUEST message with the same APN after the successful deactivation of the existing PDN connection.
  NOTE:	The above list of options also apply for the case when the existing PDN connection was established due to a request including a low priority indicator set to "MS is not configured for NAS signalling low priority" and the new request to establish a PDN connection with the same APN contains a low priority indicator set to "MS is configured for NAS signalling low priority".
  As an alternative the upper layers of the UE can request to establish a PDN connection with a different APN.
description: The PDN CONNECTIVITY REJECT message is sent by the network in response to a PDN CONNECTIVITY REQUEST message, indicating that the request cannot be fulfilled.
explanation: Categorized as a Message because it is used for rejecting PDN connectivity requests.
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biotag_Description: O,B-Message,I-Message,I-Message,O,O,O,O,O,O,O,O,O,O,B-Message,I-Message,I-Message,O,O,O,O,O,O,O,O