Hi, I'm trying to make mod_gsmopen work with my testing freeswitch. I have the following setup: K3765 Huawei dongle Freeswitch 1.2.9 with mod_gsmopen I setup a gateway using gsmopen.conf.xml (see attached) and an extension in dialplan. I've set consolelog 9 and I'm able to make call via mod_gsmopen from any switch phone, but the signaling is not working. So when I answer to mobile called by gsmopen module, sip phone is still displaying "Conecting...", I can talk to mobile phone via sip phone and reverse but when I close the conversation from mobile side is still "Conecting...". In console I don't see any signaling from gsmopen like ringing, answered and so on. I think the serial interface is ok because I can send AT commands to init the call but I don't get any signaling. Also the audio interface is ok because I have audio both sides (via Early Media because the call is never signaled as answered). I've attached: - reload.log (output from freeswitch when I type reload mod_gsmopen) - call.log (output from freeswitch when I init the call via mod_gsmopen) - gsmopen.conf.xml (I've changed / masked context, ip and phone number for privacy) I've used this dongle also with chan_dongle in asterisk and was working fine but on freeswitch I'm unable to configure it. Please help, I don't even know what to read! What could be the problem, what is wrong? How can I figure out what is wrong? Thank you very much for your time! Best regards, Fiftyz