TR Latest: Rel-15 Services 4G

TR 23.751 – VoIMS QoS Enhancements for WLAN Access

3GPP TR 23.751 is the 3GPP Technical Report for VoIMS QoS Enhancements for WLAN Access. It is published in 2 releases (Rel-14 to Rel-15); the latest version is 15.0.0 in Rel-15.

Studies QoS differentiation for Voice over IMS via Trusted/Untrusted WLAN to improve user experience, focusing on user plane impacts and UE-network signaling.

Read TR 23.751 →

Document type

Technical Report

Latest release

Rel-15

Latest version

15.0.0

Series

23 series

Releases and versions of TR 23.751

Release	Latest version	Links
Rel-15	15.0.0	Read · Download (3GPP)
Rel-14	0.4.1	Read · Download (3GPP)

Scope of TR 23.751

Category: Services (IMS). Technology generation: 4G. Network layer: CoreNetwork.

Who should read this specification?

Network operators
Device manufacturers
Researchers and academics

Implementation notes

Complexity level: Advanced. Implementation difficulty: Medium.

Key technologies

IMSEPCWLANQoSIPsecGTP

Specifications referenced by TR 23.751

TR 21.905 3GPP Terminology and Definitions
TS 23.402 EPC for Non-3GPP Access (PMIP)
TS 23.139 3GPP-Fixed Broadband Interworking Stage 2
TS 24.302 Access to EPC via non-3GPP networks; Stage 3
TS 23.401 Evolved Packet System Architecture

Other specifications in the 23 series

TS 23.746 Feasibility Study on Enhanced TV Services over 3GPP
TR 23.748 Edge Computing Enhancement Study for 5GC
TR 23.749 Study on S8 Home Routing for VoLTE
TR 23.750 Robust VoLTE Call Setup Study
TR 23.752 5G ProSe Enhancement Study
TR 23.754 Study on UAS Connectivity, ID & Tracking
TR 23.755 Study on app layer support for UAS
TS 23.756 SRVCC from NG-RAN to UTRAN Architecture Study

Related glossary terms

WLAN QoS UE TWAN IMS IEEE TWAG UL DL E2E IPSec WLCP

Frequently asked questions

What is 3GPP TR 23.751?

3GPP TR 23.751 is the 3GPP Technical Report for VoIMS QoS Enhancements for WLAN Access. Studies QoS differentiation for Voice over IMS via Trusted/Untrusted WLAN to improve user experience, focusing on user plane impacts and UE-network signaling.

Which 3GPP releases include TR 23.751?

TR 23.751 is published in 2 releases, from Rel-14 to Rel-15. The latest version on 3GPP Explorer is 15.0.0 (Rel-15).

What category does TR 23.751 belong to?

TR 23.751 belongs to the Services (IMS) category of 3GPP specifications. It applies to 4G networks.

View the full specification with interactive table of contents, version history, and AI analysis.

Read Full Specification →

Search