So it's mainly receiving messages you're thinking may be issue? If so I could try messaging you from it?
Or is it isolated only to shortcodes (which are an entirely more complex beast...we know this all too well because we have a VOIPo shortcode now to launch a short code/SMS marketing service for our business customers later this year). Shartcodes are a lot more complex because each individual cell carrier has to approve a shortcode on their network. For our shortcode as an example we essentially had to submit different applications to each carrier and they all approved based on their own timelines/criteria, so we had Verizon approval before Sprint approval, etc. Shortcodes are very convoluted and if someone doesn't have their shortcode setup with a particular carrier it won't work.
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