[Asterisk-Users] ISDN transfer, handoff to masterswitch
Hi! I've setup * with a Junghanns.net QuadBRI card agaisnt an Ericsson MD-110 PBX. All four ISDN channels are setup to simulate EuroISDN Point-to-Point ("Anlagenanschluss" in Germany) from the Ericsson's side. Works well and I have had little problems at all. Now what's happening during a call transfer of an ISDN call to another ISDN destination? Does such a transfer block 2 b-channels (one in and one out)? Or is it automatically handed off to the Ericsson so * is out of the loop? Is EuroISDN capable of such a handoff? Or do I have to use another protocol like Q.SIG for that feature? I don't have experience with Q.SIG at all. I was happy * worked with the EuroISDN trunk so well. But there's the issue with congestioning the link to the PBX with too many (in my case 4) forwarded calls. Does anyone have experiences with this? Are there references for Q-SIG out there? Thanks! Alex Mack ___ Asterisk-Users mailing list Asterisk-Users@lists.digium.com http://lists.digium.com/mailman/listinfo/asterisk-users To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
Re: [Asterisk-Users] ISDN transfer, handoff to masterswitch
On Wed, 4 May 2005, Alex Mack wrote: > I've setup * with a Junghanns.net QuadBRI card agaisnt an Ericsson > MD-110 PBX. All four ISDN channels are setup to simulate EuroISDN > Point-to-Point ("Anlagenanschluss" in Germany) from the Ericsson's side. > Works well and I have had little problems at all. > > Now what's happening during a call transfer of an ISDN call to another > ISDN destination? Does such a transfer block 2 b-channels (one in and > one out)? Or is it automatically handed off to the Ericsson so * is out > of the loop? Is EuroISDN capable of such a handoff? Or do I have to use > another protocol like Q.SIG for that feature? In EuroISDN this functionallity is provided by ECT (Explicit Call Transfer) for established calls and CD (Call Deflection) for calls in the setup phase. Bristuff supports these according to the documentation. Q.SIG has one (or possibly several) ways of doing this. At least one of these have been implemented in libpri. > I don't have experience with Q.SIG at all. I was happy * worked with the > EuroISDN trunk so well. But there's the issue with congestioning the > link to the PBX with too many (in my case 4) forwarded calls. > > Does anyone have experiences with this? Are there references for Q-SIG > out there? I think at least some of the standards are published at http://www.ecma-international.org/activities/Communications/QSIG_page.htm Peter ___ Asterisk-Users mailing list Asterisk-Users@lists.digium.com http://lists.digium.com/mailman/listinfo/asterisk-users To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
Re: [Asterisk-Users] ISDN transfer, handoff to masterswitch
Hi Peter! Thanks for the quick response. So I'm already doing ECT by using the bristuff'ed version of *? Alex Mack Peter Svensson schrieb: On Wed, 4 May 2005, Alex Mack wrote: I've setup * with a Junghanns.net QuadBRI card agaisnt an Ericsson MD-110 PBX. All four ISDN channels are setup to simulate EuroISDN Point-to-Point ("Anlagenanschluss" in Germany) from the Ericsson's side. Works well and I have had little problems at all. Now what's happening during a call transfer of an ISDN call to another ISDN destination? Does such a transfer block 2 b-channels (one in and one out)? Or is it automatically handed off to the Ericsson so * is out of the loop? Is EuroISDN capable of such a handoff? Or do I have to use another protocol like Q.SIG for that feature? In EuroISDN this functionallity is provided by ECT (Explicit Call Transfer) for established calls and CD (Call Deflection) for calls in the setup phase. Bristuff supports these according to the documentation. Q.SIG has one (or possibly several) ways of doing this. At least one of these have been implemented in libpri. I don't have experience with Q.SIG at all. I was happy * worked with the EuroISDN trunk so well. But there's the issue with congestioning the link to the PBX with too many (in my case 4) forwarded calls. Does anyone have experiences with this? Are there references for Q-SIG out there? I think at least some of the standards are published at http://www.ecma-international.org/activities/Communications/QSIG_page.htm Peter ___ Asterisk-Users mailing list Asterisk-Users@lists.digium.com http://lists.digium.com/mailman/listinfo/asterisk-users To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users ___ Asterisk-Users mailing list Asterisk-Users@lists.digium.com http://lists.digium.com/mailman/listinfo/asterisk-users To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
Re: [Asterisk-Users] ISDN transfer, handoff to masterswitch
On Wed, 4 May 2005, Alex Mack wrote: > So I'm already doing ECT by using the bristuff'ed version of *? I have no idea. We use PRI only, not BRI. Hopefully it is in the documentation for bristuff. Peter ___ Asterisk-Users mailing list Asterisk-Users@lists.digium.com http://lists.digium.com/mailman/listinfo/asterisk-users To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
Re: [Asterisk-Users] ISDN transfer, handoff to masterswitch
Peter For PRI's is ECT / CD the default behavior of asterisk, or is there code changes (and what are they) to make these features work. In about 4 weeks, we are getting a test PRI, the quad-span digium wildcard and a test server. The behavior we want is not to tie 2 circuits up in the event of transfer, but to keep asterisk out of the loop and pass it back to the upstream switch. Thank you for any comments. David On 5/4/05, Peter Svensson <[EMAIL PROTECTED]> wrote: > On Wed, 4 May 2005, Alex Mack wrote: > > > So I'm already doing ECT by using the bristuff'ed version of *? > > I have no idea. We use PRI only, not BRI. Hopefully it is in the > documentation for bristuff. > > Peter > > ___ > Asterisk-Users mailing list > Asterisk-Users@lists.digium.com > http://lists.digium.com/mailman/listinfo/asterisk-users > To UNSUBSCRIBE or update options visit: >http://lists.digium.com/mailman/listinfo/asterisk-users > ___ Asterisk-Users mailing list Asterisk-Users@lists.digium.com http://lists.digium.com/mailman/listinfo/asterisk-users To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
Re: [Asterisk-Users] ISDN transfer, handoff to masterswitch
On Thu, 5 May 2005, David John Walsh wrote: > For PRI's is ECT / CD the default behavior of asterisk, or is there > code changes (and what are they) to make these features work. > > In about 4 weeks, we are getting a test PRI, the quad-span digium > wildcard and a test server. > > The behavior we want is not to tie 2 circuits up in the event of > transfer, but to keep asterisk out of the loop and pass it back to the > upstream switch. I don't think ECT is implemented for EuroISDN PRI. There is a similar feature implemented for som other switch types (2B Channel Transfer for another PRI flavour). This is automatic and should be adaptable for ECT on EuroISDN. It is possible that brisuff adds ECT support for PRIs as well. CD (Call Deflection) I think is done explicitly from the dialplan in BriStuff, but I'm not sure. Consult the bristuff package. Peter ___ Asterisk-Users mailing list Asterisk-Users@lists.digium.com http://lists.digium.com/mailman/listinfo/asterisk-users To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users