The "Change-Condition" AVP
The "Change-Condition" Diameter AVP, which is of type Enumerated, is defined by 3GPP (vendor ID 10415) and uses the AVP code "2037".
It has the MANDATORY flag, the MAY-ENCRYPT flag.
It is part of the PS-Information, Service-Data-Container, Traffic-Data-Volumes, Related-Change-Condition-Information, ProSe-Direct-Communication-Transmission-Data-Container, ProSe-Direct-Communication-Reception-Data-Container, NIDD-Submission grouped AVPs.
It is an enumerated AVP, which can hold the following values:
| Name | Integer value |
|---|---|
| Normal Release | 0 |
| Abnormal Release | 1 |
| Qos Change | 2 |
| Volume Limit | 3 |
| Time Limit | 4 |
| Serving Node Change | 5 |
| Serving Node PLMN Change | 6 |
| User Location Change | 7 |
| RAT Change | 8 |
| UE Time Zone Change | 9 |
| Tariff Time Change | 10 |
| Service Idled Out | 11 |
| Service Specific Time Limit | 12 |
| Max Number of Changes in Changing conditions | 13 |
| CGI-SAI Change | 14 |
| RAI Change | 15 |
| ECGI Change | 16 |
| TAI Change | 17 |
| Service Data Volume Limit | 18 |
| Service Data Time Limit | 19 |
| Management Intervantion | 20 |
| Service Stop | 21 |
| User CSG Information Change | 22 |
| S-GW Change | 23 |
| Change of UE Presence in Presence Reporting Area | 24 |
| Proximity alerted | 25 |
| Time expired with no renewal | 26 |
| Requestor cancellation | 27 |
| Maximum number of reports | 28 |
| PLMN Change | 29 |
| Coverage status change | 30 |
| Removal of access | 31 |
| Unavailability of access | 32 |
| Access change of service data flow | 33 |
| Indirect change condition | 34 |
| Maximum number of NIDD submissions | 35 |
| Change in UE to PE | 36 |
| Serving PLMN Rate Control Change | 37 |
| APN Rate Control Change | 38 |
| Update source | Insertion date |
|---|---|
| Wireshark | 2026-04-26 07:13 |
| Diafuzzer | 2026-04-26 07:14 |