WireShark is actually the new name for Ethereal -- the project had to give up the name, as the employer of the guy who wrote it copyrighted the ethereal name and logo.
More info here: http://trends.newsforge.com/article.pl?sid=06/06/09/1349255 On 3/30/07, Aleksey Beregov <[EMAIL PROTECTED]> wrote:
I was using Ethereal to capture communication between the cell and soft phones. Also our soft-phone logs all the events sent by API. Both sources indicated that there was no BYE message. Thank you for advice to use WireShark. I will use it to debug this issue further. On 3/30/07, Keith Kyzivat <[EMAIL PROTECTED] > wrote: > > To me, that says that the commercial VoIP provider's agent that your > endpoint is connecting to isn't properly implementing SIP. When one > endpoint terminates a call, they are required to send a BYE message, and all > proxies in the connection path are required to pass the BYE along to the > other endpoint (in this case, your sipX-based soft-phone). If BYE is not > being received, then it sounds like one of the proxies on the commercial > VoIP side, or the other endpoint did not send/pass along the BYE message. > > There are things called Back to Back UAs (B2BUAs) that can intercept > messages like BYE and respond to them instead of passing them along (for > example a conference focus), but in that case, it would be valid for the > call to not be finished from your endpoints perspective. Most B2BUAs look > just like proxies though, passing data directly on to the next UA in the > connection path. > > To me, this sounds like either a bug or misconfigured SIP proxy on the > commercial VoIP side. > > How have you determined that a BYE message was not seen on your > endpoint? Wireshark? > If not, I'd recommend using wireshark to watch for the BYE message. If > you indeed aren't seeing it some of the time, then this is some sort of > issue with the commercial VoIP provider. > > On 3/29/07, Aleksey Beregov < [EMAIL PROTECTED]> wrote: > > > > In the first test scenario I connected our sipX-based soft-phone to a > > commercial VoIP network. I made a call from a cell phone to this soft-phone. > > After the call was established I hung up my cell phone. I didn't see any > > BYE message coming to the soft-phone. In the second case we connected a > > commercial soft-phone to the VoIP network, and I called from the cell phone > > to the commercial soft-phone. When I hung up the cell phone, I did see BYE > > message. Thanks. > > > > > > _______________________________________________ > > sipxtapi-dev mailing list > > [email protected] > > List Archive: http://list.sipfoundry.org/archive/sipxtapi-dev/ > > > > > > -- > Keith Kyzivat > > SIPez LLC. > SIP VoIP, IM and Presence Consulting > http://www.SIPez.com > tel: +1 (617) 273-4000
-- Keith Kyzivat SIPez LLC. SIP VoIP, IM and Presence Consulting http://www.SIPez.com tel: +1 (617) 273-4000
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