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I have this requirement in which I need to communicate with a mobile phone user via his SMS. I do not have the capability to use a mobile phone (at least sometimes) and this other user does not have the capability to use E-mail (at least sometimes). So I need the capability to send an SMS from my PC (which could be E-mail, as I have that capability all the time) that the other user will get as an SMS, and then he can reply to that, and it comes back to me somehow.
I suppose that me having a virtual phone would work, but I think I saw someone wanting $30/month for this, which sounds beyond outrageous. I am not against paying a little, but of course, nothing beats the price of free.
it's possible to connect a phone to a PC as [a GSM modem] and use AT commands to send and read messages
...or there are some API's that make it a lot less painful.
means need only plug a phone into he PC and off you go. ... or perhaps a cheap/older phone and a prepaid sim that charges based on per message / per call (ideally with longest possible credit expiry).
I did something like that many years ago for a vehicle tracking app. had units for the vehicles that sent GPS co-ords via SMS periodically or whenever it started/stopped moving then plugged a Nokia dumb phone into a PC to receive the messages. ... in case you ask sorry but I've not got any of the source anymore, lost >10 years and 2 countries ago
- also was back in XP days so likely more painful to adapt than write from scratch.
If you google "web sms service" (optionally add "free") you will see a long list of services to choose from ... if they are available in your area.
You say nothing about the SMS volume you will be generating. Some of the free services put a celing on the number of message per month; that may be limiting to you. Generally, the free services are one-way: The web interface will not allow the mobile phone user to return an SMS reply to your PC. (Well, maybe some services do provide that option - if you need it, make sure that is is offered.)
Last Visit: 5-Jul-20 6:41 Last Update: 5-Jul-20 6:41