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Text message caller ID spoofing

Mayor / Maire

I recently received an email from someone in the community. I won't name the person, but they are welcome to come join this conversation and identify themselves if they like. Here's the message, and then my public response:




Hello 7789849803,


You helped me with the idea below to initialize my VM, thank you!


I was wondering, by any chance do you know how to do the same with SMS messages?

I would like to be able to receive activation texts once in a while, so I dont need the full unlimited package.

I tried having the CallerID number in and then texting from there, but it didnt work.

Thanks again,




If you have access to a VoIP device, you could always spoof your caller ID when calling the voicemail number. Since it's your own phone number you're spoofing, you can do this without any legal issues.


Though you'd have to have a VoIP service and be technically proficient in order to achieve this




Which brings me to my response:


Caller ID spoofing on text messaging is a bit hard to find. There's two reasons for this:


First and foremost, setting up texting itself is a pain. Cellular carriers in North America don't easily provide access to their text/multimedia message network to outside entities. This is also why texting is something that Fongo (for instance) still has to charge for, while they can give away some calling for free.


Second, if you spoof the caller ID of an outgoing message, then all replies to it will go to a different service than the one the text is originating from. This is usually undesirable. will let you send text messages over the internet, but only using a DID number that is set up to work with their VoIP service. So replies to any texts you send out from there will all exclusively end up right back in


Others may have knowledge of a service that does in fact let you spoof the caller ID on outgoing SMSes, but I don't know of any, and a brief internet search didn't yield any ready answers, either.


Thanks, @Martin. That sounds like a great service, and certainly a good one to know about.


However, they don't offer the type of SMS caller ID spoofing that is being discussed here. According to their website:


"When you send an SMS, it will appear as a random number each time and any replies sent back will appear in your SMS History."

Hi 778,

You're welcome.

I regret that the service doesn't meet with your requirements.

An idea: Communicate with the company, explaining what you're seeking. If they do market research and find sufficient demand, they may eventually offer that which you are seeking now.

Good idea, @Martin. The requirement is not mine, though I am the one who created this thread. @jairolevi is the one currently in need of such a solution.


Though, as discussed in my first post on this thread, I suspect that there are technical reasons why such a feature would have limited applications anyway.