On Mon, Nov 2, 2015 at 10:16 AM, Guillaume Roguez < guillaume.rog...@savoirfairelinux.com> wrote:
> Hi all, > > > @ring team, what can cause 100% call failure after 45..90s ? > > I've often seen this kind of question: what's happening when I do a call, > and why it fails? > So this is the long answer :-) > > When calling a RingID number, following steps happen in order: > > 1/ The caller initializes a ICE transport: > - this step blocks until all ICE "services" are initialized/contacted > (Host/UPnP/STUN/TURN) > - this step can fail: initialization fails after 5 seconds > (ICE_INIT_TIMEOUT in src/ringdht/ringaccount.cpp) > > 2/ The caller does a DHT put with its local ICE attributes as value and > the callee RingID as key (well a bit more complex, but it's the concept). > - this step is asynchronous > - this step can fail: bound on DHT backend failures. > > 3/ The caller adds a listen point on DHT for the callee's response on our > put. > - this step is asynchronous > - listen success callback starts ICE negotiation on callee ICE > attributes > > 4/ The call ID is put into a pending list: a paced loop checks the > ICE transport status. > - if ICE negotiation succeed before 60 seconds > (ICE_NEGOTIATION_TIMEOUT in src/ringdht/ringaccount.cpp) the call goes into > connected state > and SIP protocol proceed as in IP2IP/SIP account. > - after this time: the call is marked as failed and removed. > > On the callee, a similar process happens: it starts from a DHT listen that > trigs when a ICE msg comming (see point 2/). > > > In short: when a ICE is initialized at the caller side, the callee has 60 > seconds to: > - receive the DHT msg > - start its own ICE transport > - send back its local ICE attributes to caller > - negotiate ICE transport with caller > > > Only both daemon logs (at each point) can answer where is the problem. > > > Regards, > Guillaume > Thanks Guillaume I am the one having the problems. I am on Ubuntu 15.10 where would i find this daemon log to see what is in it? Doug Stewart -- DAS[image: Certificate for 206392] <https://linuxcounter.net/user/206392.html>
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