LTE中 detach发起的原因有哪些

LTE中 detach发起的原因有哪些

UE 发起去附着时原因有关机去附着和无EPS服务去附着。
MME发起去附着的情况是在建立一个紧急承载时进行的Attach后会跟随一个Detach过程，之后若UE进入正常的其他小区会进行重新Attach
HSS发起去附着的情况是UE已有一个紧急服务的承载，此时MME不能发起Detach过程，要去除不分配给紧急服务的承载时

你好，网络侧发起detach的原因如下： imsi unknown in hss illegal ue imei not accepted illegal me eps services not allowed eps services and non-eps services not allowed ue identity cannot be derived by the network implicitly detached plmn not allowed tracking area not allowed roaming not allowed in this tracking area eps services not allowed in this plmn no suitable cells in tracking area msc temporarily not reachable network failure cs domain not available esm failure mac failure synch failure congestion ue security capabilities mismatch security mode rejected, unspecified not authorized for this csg non-eps authentication unacceptable requested service option not authorized cs service temporarily not available no eps bearer context activated semantically incorrect message invalid mandatory information message type non-existent or not implemented message type not compatible with the protocol state information element non-existent or not implemented conditional ie error message not compatible with the protocol state protocol error, unspecified