Translating Q.931 to Simple Message Interface

Translating Q.931 to Simple Message Interface

Table 14 translates Q.931 messages to the appropriate Simple Message Interface (SMI) message and compares them to their corresponding message.

Table 14. Q.931 Message Comparison Table

Q.931Message

BSMI Message(L4L3m)

BSMI Message (L3L4m)

ALERTing

ALERTING_REQUEST

ALERTING

 

 

 

CALL PROCeeding

CALL_PROCEEDING_

CALL_PROCEEDING

REQUEST

 

 

 

 

 

 

CONNect

CONNECT_REQUEST

CONNECT

 

 

 

CONNect ACKnowledge

nothing

CONN_ACK_IND

 

 

 

PROGress

PROGRESS_REQUEST

PROGRESS

 

 

 

SETUP

CALL_REQUEST

SETUP_IND

 

 

 

SETUP ACKnowledge

SETUP_ACK_REQUEST

SETUP_ACK

 

 

 

RESume

RESUME_REQUEST

RESUME_REQUEST

 

 

 

RESume REJect

RESUME_REJECT

RESUME_REJECT

 

 

 

SUSPend

SUSPEND_REQUEST

SUSPEND_REQUEST

 

 

 

SUSPend ACKnowledge

SUSPEND_ACK

SUSPEND_ACK

 

 

 

SUSPend REJect

SUSPEND_REJECT

SUSPEND_REJECT

 

 

 

USER INFOmation

USER_INFO

USER_INFO

 

 

 

DISConnect

CLEAR_REQUEST

DISCONNECT

 

 

 

RELease

CLEAR_REQUEST

CLEAR_REQUEST

 

 

 

RELease COMPlete

nothing

CLEAR_REQUEST

 

 

Note: If l43.data.enable_

 

 

protocol.level3.cnf

 

 

g.q931.release_

 

 

complete_control is

 

 

set, CLEAR_REQUEST

 

 

will send this message.

 

 

 

RESTart

RESTART

CLEAR_WITH_RESTART_

 

REQUEST or RESTART

 

 

 

 

 

November 2009

327

Page 327
Image 327
Dialogic 6.2 manual Translating Q.931 to Simple Message Interface, November 327