[Megaco] Auditing for list of context ids and termination ids

[svkumar@hss.hns.com]

Hi List

I wanted to confirm the following request/response PDUs for auditing  to fetch
the list of Context Ids and optionally the list of terminations in each context.

If the MGC wishes to get a list of all context Ids and the terminations in these
contexts, then the MGC should send an Audit command for ALL (this doesnt include
NULL) contexts, with termination id as *.  So as per Sec 7.2.5 of the RFC, will
the request PDU look like the following ?

MEGACO/1[123.231.111]
Transaction = 24 {
Context = * {
AuditValue = * {
Audit { }
}}}

And the response something like

MEGACO/1[112.114.112]
Reply = 24{
Context = 3 {
 AuditValue=Context {phy1, eph1}
},
context = 4 {
 AuditValue=Context {phy2, eph2,eph3}
},
context = 6{
 AuditValue=Context {phy4,phy5,, eph1}
}
}

Sending the Termination id list  is triggered by the fact that in the Request,
the Audit descriptor is empty. Again, as per Sec 7.2.5.

Now if I dont want the list of termination ids, then, in the Transaction
request, the Termination audited for is ROOT (instead of *). The protocol says
that it should return the list of context ids (sec 7.2.5) , but there is no
clear information as to what the reply looks like.
I wanted to confirm if this is correct and the PDU would look like

MEGACO/1[112.114.112]
Reply = 24{
Context = 3 {
 AuditValue
},
context = 4 {
 AuditValue
},
context = 6{{114.112]f
 AuditValue
}
}

Please comment.

Regards
Shiv Kumar
Hughes Software Systems


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