11/7/2022 0 Comments K3765 enable voice![]() ![]() Preferred GSM modem to use with GSMopen is Huawei E1550 dongle, or compatible. You will need at least one physical interface to connect to a GSM network. The CPU load generated by the GSMopen endpoint is very low, so if a server is able to run FS, it will have no problems using GSMopen channels. Hope it was enough information, Hardware Requirements In the test machine, config files for FS were pretty out-of-the-box, in nf i just changed the interface control ports to right ones. To run data just type wvdial xxx (the xxx should be your provider or smth) If you are more interested I can put the dongle to the radio lab and do some measurements -) About setup: I'm using FS 1.2-stable, for bringing up data connection i use wvdial, config would be like: (/etc/nf) I suspect that if you call with 3G coverage, the call would go in the 1G frequency. ![]() The data connection would be restored after the call is hung up - actually this is very logical because when the dongle is using 2G or similar coverage, the frequency for calling and data transmitting is the same. The tests reveal that if You have 3G coverage, the data and voice would be concurrent, if you have below 3G (2,5 or 2 or 1G) in the very moment when you start voice calling over GSM dongle, the data would be disconnected. Tarmo Aia wrote: The only working (voice) dongle what i have tested is E173, with that there is no need to to anything extraordinary. DATA CONNECTION Concurrent on Same Dongle GSMopen is fully integrated with Mod_sms so you can use it for your messaging system pleasure. GSMopen has been contributed to the community by: Giovanni Maruzzelli (gmaruzz a|~t gmail dot com) with a lot of help from the core developer team and hints, patches, suggestions, bug reports, feature requests from the superlative FS community. GSMopen uses very low CPU, so it works with the less powerful server platforms without problems (e.g. Obviously you must have credit on the SIM(s) inside the modems to make and receive calls, just like you need credits for your regular cell phone to work. For example, two concurrent calls would need two channels as well as two USB GSM dongles connected to the FreeSWITCH server box. ![]() One interface (a GSM modem) is needed for each channel. GSMopen operates on GSM cellular/mobile connections in the same way that OpenZAP operates on analog lines. GSMopen works in FreeSWITCH on Linux and Windows, native at 8khz (GSM is 8khz compressed audio). Preferred GSM modem to use for voice calls (and SMS) is Huawei E1550 dongle, or compatible. An SMS on FreeSWITCH is handled following the CHAT API (like the text messaging in mod_sofia, mod_skypopen, and mod_dingaling). GSMopen is an endpoint (channel driver) that allows an SMS to be sent to and from FreeSWITCH as well as incoming and outgoing GSM voice calls (that can be bridged, originated, answered, etc. Be sure the dongle has the "voice" capability unlocked, or unlock it with dc-unlocker ( ) What Is GSMopen ![]()
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