WebMay 18, 2024 · 1. EPS Attach Type: It is used to indicate the type of the requested attach. It can be EPS attach or combined EPS and non EPS services (EPS/IMSI attach) (Non EPS services: CS fallback, SMS)or it … WebThe UE attempts combined EPS/IMSI attach. • CS Voice preferred, IMS PS Voice as secondaryCS Voice preferred, IMS PS Voice as secondary: the UE tries preferably to use the CS domain to originate and terminate voice calls. The UE attempts combined EPS/IMSI attach and if combined EPS/IMSI attach fails for the CS domain or succeeds with an SMS
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WebS1AP View of LTE Attach & EPS Bearer Setup This sequence diagram looks at the UE signaling from the S1AP vantage point. The following signaling is covered: (1) UE Attach, authentication and security signaling ... .010 = Attach result: Combined EPS/IMSI attach (2), NAS EPS session management messages: Activate default EPS bearer context … WebJan 28, 2012 · Attach Type indicates whether it is an EPS attach or a combined EPS/IMSI attach or an Emergency Attach. For an Emergency Attach the UE shall set both the Attach Type and the Request Type to … ban plu ta luang
What is combined attach and how it is triggered?
WebJul 10, 2013 · IMSI is a unique ID that globally identifies a mobile subscriber. It is composed of two parts, PLMN ID and MSIN, as shown in Figure below. A PLMN ID is an ID that globally identifies a mobile operator (e.g. combination of MCC (450) and MNC (05) for SK Telecom in Korea). WebMajor requirements: SGs interface: Need to configure the interface between MME and MSC. Mobility management and paging between the LTE and the target CS network. Transmits … WebCombined Attach: Combined EPS/IMSI attach: This IE present in Attach request and attach accept message; Under Attach-Request->EPS attach type as; EPS attach OR; … ban pma