STOP-7 Completely stop, with indication, a continuous alert in local language.

Description

Stop ongoing time-unlimited cell broadcast of an alert in local language in an area covered by cells within a single TA.

Pre-requisites

• Define an alert area within the coverage of a single TA.
• There is no ongoing cell broadcast in any of the cells that cover the alert area.
• The message is in the local language.
• The Alert request indicates that this alert shall run indefinitely.

Steps to execute

1. CBE sends CAP Alert message with:
   • A single info element. I.e. only one message in one language.
   • alertinfo.language.code set to the value of the local language (e.g. sl-SI for Slovenian).
   • alertinfo.instruction.text content of the alert message in the language indicated by the code above.
   • alertInfo.expires is not present. This indicates that the alert shall run indefinitely.
   • Alert area that is inside the area controlled by a single MME. I.e. only one MME is involved in this test.
2. Let the alert run for at least two repetition periods.
3. The CBE sends CAP Cancel message with:
   • The same identifier as in the CAP Alert message that started the broadcast.
   • All other mandatory parameters.
   • If the info element is present, then its content must match the ongoing alert.

Information flow

Result

Verify that:

1. The CBC sends a WRITE-REPLACE WARNING REQUEST only to the one MME that controls the eNBs in charge of the cells that cover the alert area. Presence of parameters in this message shall be as shown in the following table:

   Information Element	Included	Value
   Message Identifier	Yes	for current iteration
   Serial Number	Yes
   List of TAIs	Should	TAI of the cells in IE Warning Area List
   Warning Area List	Yes	List of cells that cover the alert area
   Repetition Period	Yes	According to the timing requested in flow 1.
   Extended Repetition Period	No
   Number of Broadcast Requested	Yes	0
   Warning Type	No
   Warning Security Information	No
   Data Coding Scheme	Yes	Set for local language according to 3GPP TS 23.038
   Warning Message Contents	Yes	Alert message encoded according to the value of DCS above
   Concurrent Warning Message Indicator	Yes	true
   Send Write-Replace-Warning-Indication	Yes	true
   Global eNB ID	No

2. The MME responds with a WRITE-REPLACE WARNING RESPONSE message with content according to the following table.

   Information Element	Included	Value
   Message Identifier	Yes	Same as in flow 2
   Serial Number	Yes	Same as in flow 2
   Cause	Yes	Set to value Message accepted
   Criticality Diagnostics	No
   Unknown Tracking Area List	No

3. The CBC sends a STOP WARNING REQUEST only to the one MME that controls the eNBs that control the cells where the ongoing alert is broadcasted. Presence of parameters in this message shall be as shown in the following table:

   Information Element	Included	Value
   Message Identifier	Yes	for current iteration
   Serial Number	Yes	Same as for ongoing broadcast
   List of TAIs	May	TAI of the cells in IE Warning Area List
   Warning Area List	May	List of cells that cover the alert area
   Send Stop Warning Indication	Yes	true
   Stop All Indication	No

4. The MME responds with a STOP WARNING RESPONSE with contents according to the following table.

   Information Element	Included	Value
   Message Identifier	Yes	Same as in flow 1
   Serial Number	Yes	Same as in flow 1
   Cause	Yes	Set to value Message accepted
   Criticality Diagnostics	No
   Unknown Tracking Area List	No

5. The MME sends one or more STOP WARNING INDICATION messages with content according to the following table.

   Information Element	Included	Value
   Message Identifier	Yes	Same as in flow 1
   Serial Number	Yes	Same as in flow 1
   Broadcast Cancelled Area List	Yes	A list with cells listed in Warning Area List IE in WRWR that created the broadcast
   Broadcast Empty Area List	No

If only one STOP WARNING INDICATION is received, then the Broadcast Cancelled Area List shall contain all the cells in the Warning Area List IE received in the WRITE-REPLACE WARNING Request that created the broadcast. If more than one STOP WARNING INDICATION are received, then the union of all the Broadcast Cancelled Area List IEs received shall contain all the cells inside the Warning Area List IE received in the WRITE-REPLACE WARNING Request that created the broadcast.

4. Broadcast of the alert has stopped in all the cells in which it was active.

Iterations

This TC should be iterated for the alert types in the following table that are applicable in the country in which the CBC is deployed:

Iteration	Alert Type	Message identifier
1	EU-Alert Level 1 \ WEA Presidential	4370 (0x1112)
2	EU-Alert Level 2 \ WEA Extreme	[4371, 4372] ([0x1113, 0x1114])
3	EU-Alert Level 3 \ WEA Severe	[4373 ... 4378] ([0x1115 ... 0x111A)
4	EU-Alert & WEA AMBER	4379 (0x111B)
5	WEA RMT	4380 (0x111C)
6	WEA Exercise	4381 (0x111D)
7	WEA Operator defined use	4382 (0x111E)
8	EU-Alert Level 4 \ WEA Public Safety	4396 (0x112C)
9	WEA State/Local test	4398 (0x112E)
10	EU-Info	6400 (0x1900)