USSD and NowSMS, revisited

There seems to be a lot of renewed interest in USSD applications these days. SMPP is very widely used as an interface into USSD systems, and because of the flexible implementation of SMPP in NowSMS, the 2-way command facility can be a convenient platform for deploying USSD services. All USSD codes are operator specific. So they are different from SMS short codes where, at least within country,...

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From time to time we get asked questions about USSD support in NowSMS. The quick answer is that, yes, NowSMS can support USSD … assuming that you can connect to the USSD gateway using SMPP. SMPP extensions have been defined specifically for the support of USSD, so that you don’t have to use yet another protocol. However, before you get too excited … let me explain how USSD works...

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