Re: SUA : When to send DUPU messages
"Brian F. G. Bidulock" <[email protected]>
| Newsgroups | gmane.ietf.sigtran |
|---|---|
| Organization | http://www.openss7.org/ |
| Message-ID | <[email protected]> |
amrita.garg, On Wed, 23 Nov 2005, [email protected] wrote: > Hi Brian, > > Wanted to clarify in which case do we send a DUPU message. After > receiving a DAUD message if a pointcode is not configured then should > DUPU be send in response? No, don't send DUPU. An unconfigured point code does not match any of the three cases below. > And if a point code is configured but inaccessible then a DUNA will be > sent. In this case a DUPU will not be sent. Yes, don't send DUPU. An inaccessible point code does not match any of the cases below. DUNA is TFP or SSP. DUPU is UPU (or SSP for SSN=0). --brian > > Can you confirm if this understanding is correct? > > Regards > Amrita Garg > > -----Original Message----- > From: [email protected] [mailto:[email protected]] On > Behalf Of Brian F. G. Bidulock > Sent: Tuesday, November 22, 2005 2:55 PM > To: Khaja Sheriff (WT01 - Voice & Next Generation Networks) > Cc: [email protected] > Subject: Re: [Sigtran] SUA : When to send DUPU messages > > khaja.sheriff, > > On Tue, 22 Nov 2005, [email protected] wrote: > > > > > Hi, > > > > In RFC 3868, the DUPU messages are being sent when the user > part > > is unavailable. But it seems like that the DUNA messages are > being > > sent to convey that the destination is not reachable . > > > > Please clarify under what conditions DUPU message will be sent by > the > > peer. > > Under these conditions: > > 0 remote SCCP unavailable, reason unknown; > 1 remote SCCP unequipped; > 2 remote SCCP inaccessible; > > --brian > > > > > Thanks and Regards > > > > Khaja Sheriff > > > > > _______________________________________________ > > Sigtran mailing list > > [email protected] > > https://www1.ietf.org/mailman/listinfo/sigtran > > > -- > Brian F. G. Bidulock | The reasonable man adapts himself to the | > [email protected] | world; the unreasonable one persists in | > http://www.openss7.org/ | trying to adapt the world to himself. | > | Therefore all progress depends on the | > | unreasonable man. -- George Bernard Shaw | > > _______________________________________________ > Sigtran mailing list > [email protected] > https://www1.ietf.org/mailman/listinfo/sigtran > > _______________________________________________ > Sigtran mailing list > [email protected] > https://www1.ietf.org/mailman/listinfo/sigtran -- Brian F. G. Bidulock ¦ The reasonable man adapts himself to the ¦ [email protected] ¦ world; the unreasonable one persists in ¦ http://www.openss7.org/ ¦ trying to adapt the world to himself. ¦ ¦ Therefore all progress depends on the ¦ ¦ unreasonable man. -- George Bernard Shaw ¦