【资料名称】：GSM主叫信令流程_NSN_2011_01

【资料作者】：NSN

【资料日期】：2012

【资料语言】：中文

【资料格式】：XLS

【资料目录和简介】：

MSBTSBSSMSC

CHANNEL REQUESTRR
t3120 start RACHCHANNEL REQUIRED


CHANNEL ACTIVATION
t9103 start
ASSIGNMENT REQUEST

CHANNEL ACTIVATION ACK
t9103 end

ASSIGNMENT COMMAND
IMMEDIATE ASSIGNMENTRR
t3120 end AGCHt3101 start

CM Service RequestMM
SABM + INITIAL LAYER 4 MESSAGE
SDCCHt3101 end
ESTABLISH INDICATION
COMPLETE LAY3 INFO
UA（CM Service Request）

AUTHENTICATION REQUESTMM AUTHENTICATION REQUEST
SDCCH

CLASSMARK CHANGE
SDCCH

AUTHENTICATION RESPONSEMM AUTHENTICATION RESPONSE
SDCCH

CM Service Accept
SDCCH

RR CIPHER MODE COMMAND


CIPHER MODE COMPLETERR

SETUPCC
SDCCH
CALL PROCEEDING

ASSIGNMENT COMMAND

SABM
FACCH

UA


ASSIGNMENT COMPLETERR

DEACTIVE SACCH


RELEASE REQUEST


RELEASE CONFIRM


RF CHANNEL RELEASE


RF CHANNEL RELEASE ACK

ALERTINGCC

CONNECTCC

CONNECT ACKCC

CONVERSATION……

DISCONNECT

RELEASE

RELEASE COMPLETE

CLEAR COMMAND
CHANNEL RELEASE

DEACTIVE SACCH
DISCONNECT
RELEASE INDICATION
CLEAR COMPLETE
UA
RF CHANNEL RELEASE


RF CHANNEL RELEASE ACK