Name in the cause table
5GS QoS not accepted
Source: 3GPP TS 24.501 V20.1.0, clause 9.11.4.2, table 9.11.4.2.1. © 3GPP Organizational Partners (ARIB, ATIS, CCSA, ETSI, TSDSI, TTA, TTC). Official text: 24501-k10.zip in the 3GPP archive.
3GPP Scout / Reference / 5GSM causes / 5GSM causes #37 and #59
TS 24.5015GSM cause
5GSM causes #37 and #59: 5GS QoS not accepted and Unsupported 5QI value
Covers
TS 24.501 words these values in parallel, so they share this page. Each has its own section with the spec text and a plain explanation.
5GSM cause #37: 5GS QoS not accepted
In plain words
The network sends this cause when it cannot accept the new 5GS QoS indicated in the UE request.
Our summary of the spec text quoted below.
When it is used
This 5GSM cause is used by the network if the new 5GS QoS that was indicated in the UE request cannot be accepted.
Source: 3GPP TS 24.501 V20.1.0, clause B.1. © 3GPP Organizational Partners (ARIB, ATIS, CCSA, ETSI, TSDSI, TTA, TTC). Official text: 24501-k10.zip in the 3GPP archive.
5GSM cause #59: Unsupported 5QI value
In plain words
The network sends this cause when it cannot support the 5QI indicated in the UE request.
Our summary of the spec text quoted below.
Name in the cause table
Unsupported 5QI value
Source: 3GPP TS 24.501 V20.1.0, clause 9.11.4.2, table 9.11.4.2.1. © 3GPP Organizational Partners (ARIB, ATIS, CCSA, ETSI, TSDSI, TTA, TTC). Official text: 24501-k10.zip in the 3GPP archive.
When it is used
This 5GSM cause is used by the network if the 5QI indicated in the UE request cannot be supported.
Source: 3GPP TS 24.501 V20.1.0, clause B.1. © 3GPP Organizational Partners (ARIB, ATIS, CCSA, ETSI, TSDSI, TTA, TTC). Official text: 24501-k10.zip in the 3GPP archive.
Same causes in EPS (TS 24.301)
TS 24.301 defines the corresponding causes for EPS. Their pages quote the EPS wording.
- ESM cause #37 (TS 24.301)
- ESM cause #59 (TS 24.301)
How this page was made
3GPP Scout built this page from TS 24.501 V20.1.0 as indexed on 2026-10-15. The quotes are copied from the spec, and code checks each one against the stored text and the 3GPP archive file before publishing. The plain-words lines were written by an AI model (GPT-6 Sol) and checked against the quotes by a second AI model from another company (Claude Opus 5.5). The official 3GPP text governs.