I briefly looked at the code, so I will then answer my own questions from what i understood (and I didn't understand much). Please correct me if I'm wrong (see inline answers).
A new question would then be: Are any of those features planned for the future of OpenZAP? On Mon, 2009-05-18 at 10:29 +0200, Francois Delawarde wrote: > Hello, > > I'm in Spain with an analog TDM400 Clone from OpenVox (with 1xFXO > +1xFXS), and am trying first to make the FXO work with Openzap and > Freeswitch (using dahdi 2.2.0-rc4). Openzap perfectly detects and > loads the spans, but I'm currently enable to dial out with the FXO > module, it doesn't dial anything and times-out after 30 seconds. I > believe it has to do with some tone detection and therefore have a > few questions: > > - When I plug in the line, dahdi sends an event (event 17) that is > ignored by OZ. Can we enable some type of battery check in OZ before > dialing out, or is there some variable to monitor battery (oz dump > doesn't show the battery status)? No. > - Does OZ use the polarity switch events sent by dahdi (in kewlstart > mode) for answer and hangup detection? Yes. > - Apparently, OZ does tone progress detection by frequency, but here > in Spain, most tones use the same 425Hz frequency with different > on-off timing. Is it possible to detect those? No. > - As some PBX in Spain transfer calls by first hanging up and picking > up on another phone, can we enable/disable parts of polarity switch > and/or tone progress detection (ex: (hangup)/(answer)onpolarityswitch > in Asterisk) No. > - Some lines here are connected to very old FXS from operators that > have low sound quality and can take a few seconds to give a dial tone > when picking up. Is it possible to introduce a delay before sending > DTMF digits when dialing? Is it possible to "relax" DTMF detection, > and tweak DTMF settings (make them a bit longer, with a longer pause > for the other side to detect)? No / No idea / No idea > My "ideal" case to make it work in every case around here would be to: > - have OZ fail to dial if battery is not present (and be able to fetch > battery status somehow) > - disable tone progress (sometimes call ends up on some local PBX that > answers and provides US tones which are different) > - be able to have an initial pause before dialing with DTMF digits > - use polarity switch to detect remote answer, but not hangup (for > transfer issues) > > Is the above possible? No. > Thanks in advance, > François. You're welcome! François.
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