There's a wiki for this: https://trac.pjsip.org/repos/wiki/IPAddressChange Cheers, Benny On Mon, Apr 16, 2012 at 9:38 PM, Roberto Perez <robj.perez at gmail.com> wrote: > Hi, > > We're building a phone application which is using pjsip as the sip stack. > > Everytime the connection changes, (i.e. you change from a WiFi connection > to a 3G connection), we need to recreate the transport, because of the > previous transport is no longer valid. > > Right now, whenever we detect that connection change, we're "destroying" > the full pjsip stack (calling pjsua_destroy()) and proceeding the same as > the first start. > This works perfectly but pjsua_destroy() blocks the thread (which happens > to be the main thread) for a while. > > We would like to be able to destroy the transport without destroy the full > stack of pjsip. > > To achieve this, we have replaced the pjsua_destroy() with > pjsip_transport_shutdown(), but this replacement have some implications: > > * How can we get the transport reference in this "transport_destroy()" > function?. > Right now, we are saving the transport in a static variable which is set > in the "on_transport_state" callback. > > * When we call pjsip_init again, this Assert fails: > Assertion failed: (pj_list_find_node(&endpt->module_list, mod) == mod), > function pjsip_endpt_unregister_module, file ../src/pjsip/sip_endpoint.c, > line 229. > > * As Benny told in this email ( > http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/2008-February/001868.html) > the transport is not destroyed at that time. > What happens if we try to connect to the same server? Do pjsip try to > reuse the "shutdown-but-not-destroyed" transport, which is no longer valid? > > Which is the best method to create a new transport (and send a new > REGISTER message) everytime the connection of the phone changes? > > Thanks in advance. > Roberto. > > _______________________________________________ > Visit our blog: http://blog.pjsip.org > > pjsip mailing list > pjsip at lists.pjsip.org > http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org > > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/attachments/20120417/a8f9817b/attachment.html>
