name: IN
full_form: Intelligent Network
context: in clause 4.11.2.4.1. 6. Step 2 as in clause 5.3.2.1 (E-UTRAN Initial Attach) in TS 23.401 [13]. 7. Steps 4-7 as in clause 5.3.2.1 (E-UTRAN Initial Attach) in TS 23.401 [13], with the modifications captured in clause 4.11.2.4.1. 8. Step 8 as in clause 5.3.2.1 (E-UTRAN Initial Attach) in TS 23.401 [13], with the modifications captured in clause 4.11.2.4.1. 9. Step 11 as in clause 5.3.2.1 (E-UTRAN Initial Attach) in TS 23.401 [13], with the following modifications: The subscription profile the MME receives from HSS+UDM includes per DNN/APN at most one PGW-C+SMF FQDN as described in in clause 5.17.2.1 in TS 23.501 [2]. 10. Steps 12-24 as in clause 5.3.2.1 (E-UTRAN Initial Attach) in TS 23.401 [13], with the modifications as described in clause 4.11.2.4.1. 11. Step 25 as in clause 5.3.2.1 (E-UTRAN Initial Attach) in TS 23.401 [13]. 12. Step 26 as in clause 5.3.2.1 (E-UTRAN Initial Attach) in TS 23.401 [13]. 13. If the UE has remaining PDU Sessions in 5GS which it wants to transfer to EPS
description: Intelligent Network (IN) is a network that provides advanced services and features, such as call setup and session management, by integrating various network functions and elements. It enables smooth transitions of users across network regions and supports multiple registration modes.
explanation: The text describes IN's role in managing call setup, session transfers, and user mobility between network areas. These functionalities are core to a telecommunications network, classifying IN as a Network.
section_title: 11.1.6MT MMTEL voice call setup from NR RRC_IDLE / EPS Fallback with redirection / Single registration mode without N26 interface / Success
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