ARJ reject reasons?
rkbowen at CISCO.COM
Tue Sep 19 22:44:47 EDT 2000
I agree with Ilya on the invalidPermission and callerNotRegistered
choices. My interpretation of the other choices would be:
securityDenial - Used if authentication or authorization fails based
on the tokens or cryptoTokens fields.
requestDenied - This reason is used if the GK peforms zone bandwidth
management, and the bandwidth required for this call would exceed the
zone's bandwidth limit.
resourceUnavailable - This can be used to indicate that the GK itself
does not have the needed resources (e.g., memory) to permit the call.
I suppose it could also be used if no gateways are available, for
instance if all gateways have indicated via the RAI that they are
"almostOutOfResources". This would be less specific than
callCapacityExceeded - This has been renamed 'exceedsCallCapacity' and
indicates that the destination endpoint does not have the capacity to
accept the call. This is primarily intended for use with v4 or later
gateways that report their call capacity to the GK.
Paul Long wrote:
> So you think that invalidPermission is the code to return if the call
> violates some proprietary policy within the GK that is typically set by the
> administrator of the network/GK?
> Regarding resourceUnavailable, how does a GK know whether gateway
> "resources" are available? Doesn't it just know whether an alias or set of
> aliases are registered? How can it make this distinction? Or are you
> referring to the capacity of the GW, in which case wouldn't
> callCapacityExceeded be the correct reason to return?
> Another respondent said that callCapacityExceeded refered to the capacity of
> the other EP and not to the GK itself. I suppose it could be used for both.
> Paul Long
> Smith Micro Software, Inc.
> -----Original Message-----
> From: Ilya Freytsis [mailto:ifreytsis at EZENIA.COM]
> Sent: Tuesday, September 19, 2000 5:02 PM
> To: ITU-SG16 at MAILBAG.INTEL.COM
> Subject: Re: ARJ reject reasons?
> I can offer my interpretation for some of them:
> 1. InvalidPermission - GK may have policy rules for the different
> categories of endpoints (e.g. who is allowed to use gateway services
> 2. CallernotRegistered - EP that is not registered with the GK asks
> the permission to place a call
> 3. SecurityDenial
> 4. requestDenied(no bandwidth available) - no comments
> 5. resourceUnavailable - e.g. no gateway resources available (my
> 6. callCapacityExceeded - GK has reached its call handling capacity
> (esp. in GK routed mode)
> Ilya Freytsis
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