Fw: Presence -Watcher clarification

["Rg" <sivakg@xxxxxxxxxxxxxx>]

Hi

 

Greetings again

 

Could any one help in clarifying the below issue please?

 

Thanks

GandhiSivakumar

ProjectManager

NM-Research,

MBT,India

----- Original Message -----

From: Rg

To: ietf@xxxxxxxx

Sent: Monday, March 21, 2005 10:09 AM

Subject: Presence -Watcher clarification

Hi

 

Greetings!

 

Can any VOIP -Presence Agent designer help me in clarifying the below issue?

 

This is  with reference to the Model for Presence and IM and related Info.

 

The watcher sends SUBSCRIBE Request to the Presence Agent and the Presence Agent sends Notification for any change observed in the presentity.

"In contrast the fetcher is interested only in the current status of the presentity ,it does not send SUBSCRIBE request" -in this context , what is the method invoked by the Fetcher (like the watcher invoking SUBSCRIBE method) ? Whom does it query?Does it query the Presence Agent? Or it has access to the registration database ?( Logically I affirm that the fetcher need not have access to the registration data base).Could any one help me in clarifying the issue?

 

Thanks and Regards

Gandhi Sivakumar(RG)

Project Manager

NM -Research

MBT,

INDIA

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