On Fri, 2008-08-22 at 18:10 -0400, Gertsvolf, Mark (CAR:9D30) wrote: > Scott Lawrence wrote: > > > > So there are two phones on the system 201 and 202, but 202 > > also has a PSTN DID 555-1202, and 201 calls that DID number > > so that the call goes out via the ITSP and comes back in? > ... > > The real answer to such a thing is to have a rule that prevents the > call from looping out in the first place.
I created an issue for this a long time ago - it shows how to construct the rule. http://track.sipfoundry.org/browse/XCF-1380 > On our sipXecs trial system we minimize the chance of such scenarios by > using user aliases that are equal to the person's DIDs with dialing > prefix. This ensures that the calls made using your colleague's DID are > never sent to PSTN and are terminated locally. > In the example above if the PSTN prefix is 9 then: 202 has alias 5551202 > for the purposes of receiving incoming calls and it also has alias > 95551202 for the purposes of resolving outgoing calls locally. > > It does not solve the problem entirely since one can still end up with a > call between 201 and 202 via ITSP due to call forwarding or far end > transfer. > > Cheers, > Mark. > > _______________________________________________ sipx-dev mailing list [email protected] List Archive: http://list.sipfoundry.org/archive/sipx-dev Unsubscribe: http://list.sipfoundry.org/mailman/listinfo/sipx-dev
