NB-IOT EDRX Supported values in ATTACH/TAU Accept

This chapter describes the following topics:

Feature Summary and Revision History

Summary Data

Applicable Product(s) or Functional Area

MME

Applicable Platform(s)

  • ASR 5500

  • VPC-DI

  • VPC-SI

Default Setting

Enabled - Configuration Required

Related Changes in This Release

Not Applicable

Related Documentation

MME Administration Guide

Revision History

Revision Details

Release

NB-IOT EDRX Supported values in ATTACH/TAU Accept is Introduced to 21.12 release.

21.12.11

NB-IOT EDRX Supported values in ATTACH/TAU Accept is Introduced to 21.13 release.

21.13.11

First introduced.

21.14

Feature Changes

Previous Behavior: UE requests the EDRX value in the Extended DRX parameters IE in the Attach-Request or in the TAU-Request. In the Attach-Accept or in the TAU-Accepts, the requested value is sent.

New Behavior: For the NBIOT device, If the Extended DRX parameter values are 4, 6, 7 or 8, it is interpreted as 2 and sent in the Attach-Accept or in the TAU Accept.