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by antx
1017 days ago
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Yes, cellular modems with RJ11 phone ports do exist. From memory, the ZTE MF275 and the MF288 were such units (both are discontinued, though). You could receive phone calls through it. Technically speaking, it is an "ATA", but you can't control the FXS port, as it's directly linked to the number associated with the SIM card. Another solution would be using a cellular router in conjunction with a "normal" manageable ATA, which lets you configure the FXS port with a remote SIP account. I think you can even find some stuff on ebay/aliexpress that combines both functionalities, but I never tried them (and would be worried of lack of support or firmware updates). |
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and verify the frequency support vs. what your area's cell towers use.