Answer:
IAM(Initial Address Message)contains the information
requried for setup call.For a basic call it is a first
message send to Destination.
SAM(subsequent address message)exactly it is overlap calls
address.
SAM message has to be sent in the scenario when suppose a
subscriber dialed a number 9321353536.
SSP send the IAM message to there destination without
reading the 353536. I.e originating SSP looks 9321 and
sends the IAM message to their respective Destination.
And SAM to be send with rest dialed digit.
requried for setup call.For a basic call it is a first
message send to Destination.
SAM(subsequent address message)exactly it is overlap calls
address.
SAM message has to be sent in the scenario when suppose a
subscriber dialed a number 9321353536.
SSP send the IAM message to there destination without
reading the 353536. I.e originating SSP looks 9321 and
sends the IAM message to their respective Destination.
And SAM to be send with rest dialed digit.
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