2015/06/08 17:56:44
USSD message
The USSD message (also, as well as the SMS) is prikhodiit absolutely on any phone model, the Internet is not necessary. It is only that phone was in an area of coverage necessary for obtaining the USSD message.
- USSD is more secure channel for sending one-time passwords than the SMS.
- The USSD message come with the one-time password almost instantly.
- The USSD message will at once be displayed on the screen of your phone – there is no need to pass into the section of the SMS.
- The USSD message with the one-time password does not remain in phone and, respectively, does not "litter" your important story of the SMS from Alfa-Bank.
However, USSD, as well as any other technology, has the nuances:
- If to close, then the message will be gone irrevocably (does not remain anywhere) – it will be necessary to request the password repeatedly.
- On phone with the operating system iOS which is in "sleep mode", the USSD message will not come. It will be necessary to request the password repeatedly. It is better to hold phone active at the time of obtaining the one-time password.
- Depending on a phone model and the installed operating system, the USSD message can come without sound. It is impossible to configure it.
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