On Thu, 2008-12-18 at 15:16 -0600, Matthew Fredrickson wrote: > Domjan Attila wrote: > > should put in chan_dahdi after ISUP_EVENT_CPG and I think have to parse > > and pass this busy attribute to chan_dahdi via event_cpg. > > How looks like this kind of CPG? > > I would dare say that it would probably be best to not even explicitly > send an REL at that point, just set the SOFTHANGUP flag on the > ast_channel so that Asterisk will initiate the hangup at that point. > but in this case we will send rel with cause code busy (17), but we are not busy, I vote in this situation sending rel with normal call clearing. p->owner->hangupcause = e->cpg.cause; p->owner->_softhangup |= AST_SOFTHANGUP_DEV; p->do_hangup = SS7_HANGUP_DO_NOTHING; isup_rel(ss7, p->ss7call, AST_CAUSE_NORMAL_CLEARING); > That is how it is done in libpri in a similar scenario, if you look at > PRI_EVENT_PROGRESS handling code in chan_dahdi.c. (IIRC) > > Matthew Fredrickson > Digium, Inc. > > > > > On Thu, 2008-12-18 at 11:56 -0800, Rana Dhekial wrote: > >> I am not sure whether ITU ANSI standrad calls for it. But in real life > >> I am having following probelm. > >> > >> > >> A SIP phone registered with Asterisk calls a Mobile subscriber > >> > >> Asterisk ---------IAM------------>PSTN ( Mobile subscriber ) > >> > >> Asterisk <--------ACM--------------PSTN > >> > >> The SIP phone hears the ring back tone > >> > >> The Mobile subscriber rejects the call by pressing the release button. > >> In this part of the world, call does not get forwarded to Mobile > >> subscriber's voice mail. Probably incumbennt PLMN does not have voice > >> mail service. Instead PSTN sends CPG with user busy. > >> > >> Asterisk <----CPG ( with user busy)----PSTN > >> > >> > >> The SIP phone keeps hearing the ring back tone for 60-90 seconds and > >> finally the PSTN sends RELEASE after 60-90 seconds. > >> > >> > >> Asterisk <------REL-------------------PSTN > >> > >> Asterisk --------RLC ----------------->PSTN > >> > >> > >> My idea is to cut this 60-90 seconds to 0 by sending REL to PSTN > >> immediately after getting the CPG with user busy from PSTN. I have > >> tried talking to PSTN to send RELEASE to Asterisk right after they > >> send CPG with user busy but has been invain. > >> > >> So any help with the code will be appreciated. > >> > >> thanks, > >> > >> > >> > >>> From: adomjan at tvnet.hu > >>> To: asterisk-ss7 at lists.digium.com > >>> Date: Thu, 18 Dec 2008 09:02:08 +0100 > >>> Subject: [asterisk-ss7] V?: Understanding libss7 code > >>> > >>> The code is very readable, I red the all :) > >>> where is in the itu/ansi standard that we have to do it? > >>> > >>> -- eredeti ?zenet -- > >>> T?rgy: [asterisk-ss7] Understanding libss7 code > >>> Felad?: Rana Dhekial <dhekial at msn.com> > >>> D?tum: 2008.12.18. 01:27 > >>> > >>> > >>> Hi Matthew, > >>> > >>> > >>> Can you point me to some documentations to understand the libss7 > >> source code and how it is linked with Asterisk? I have been struggling > >> to modify your code to send ISUP_RELEASE on getting CPG with user busy > >> from PSTN but has been successful yet. > >>> thanks, > >>> > >>> Rana > >>> > >>> > >>> _________________________________________________________________ > >>> Send e-mail anywhere. No map, no compass. > >>> > >> http://windowslive.com/Explore/hotmail?ocid=TXT_TAGLM_WL_hotmail_acq_anywhere_122008 > >>> _______________________________________________ > >>> --Bandwidth and Colocation Provided by http://www.api-digital.com-- > >>> > >>> asterisk-ss7 mailing list > >>> To UNSUBSCRIBE or update options visit: > >>> http://lists.digium.com/mailman/listinfo/asterisk-ss7 > >>> > >>> > >>> _______________________________________________ > >>> --Bandwidth and Colocation Provided by http://www.api-digital.com-- > >>> > >>> asterisk-ss7 mailing list > >>> To UNSUBSCRIBE or update options visit: > >>> http://lists.digium.com/mailman/listinfo/asterisk-ss7 > >> > >> > >> ______________________________________________________________________ > >> Send e-mail faster without improving your typing skills. Get your > >> Hotmail? account. > >> > >> ------------------------------------------------------------------------ > >> > >> _______________________________________________ > >> --Bandwidth and Colocation Provided by http://www.api-digital.com-- > >> > >> asterisk-ss7 mailing list > >> To UNSUBSCRIBE or update options visit: > >> http://lists.digium.com/mailman/listinfo/asterisk-ss7 > > > _______________________________________________ > --Bandwidth and Colocation Provided by http://www.api-digital.com-- > > asterisk-ss7 mailing list > To UNSUBSCRIBE or update options visit: > http://lists.digium.com/mailman/listinfo/asterisk-ss7 -------------- next part -------------- A non-text attachment was scrubbed... Name: not available Type: application/pgp-signature Size: 197 bytes Desc: This is a digitally signed message part Url : http://lists.digium.com/pipermail/asterisk-ss7/attachments/20081218/28d317e0/attachment.pgp
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