Problems with-sms-based-authentication(otp)-cognalys-m otp

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Delay in delivery of SMS OTP

Although most SMS text messages are transmitted in seconds, it's common to find them delayed when networks become congested. SMS traffic is not sent point to point, it is queued and then sent on to the required network cell where it is again queued and finally sent to the end users phone. irrespective to delay in delivery or non-usage of the SMS OTP, each and every SMS OTP will be charged and deducted from the webmaster’s account.

Missed Calls OTP ( mOTP)

Relative to SMS OTP, missed call OTPs are reliable in case of delay in delivering time. The calls are also queued but priority goes to calls comparing to SMS. Cognalys missedcalls OTPs (mOTP) charges for quota per day only ( Premium) and in Basic plan 500 Missed call OTP(mOTP) per day is free for all webmaster.

sms OTP v/smissed call OTP


Downtime with SMS Gateway

Whenever SMS gateway is under maintenance or facing issues, it affects the timeliness of SMS delivery. this situation can arise when there is Service Outage of Operator Networks. SMS priority is lesser related to calls priority.

Cognalys ( mOTP)

Cognalys is using a robust infrastructure framework to reduce the maintenance and to handle large volume of API queries. Cognalys guarantee 99.9 uptime and service to their customers. Cognalys powered with an elegant support system where customers can rise tickets about any issues they are facing.



Unavailability of service for roaming user

When customer travels abroad, based on operator there will be a restriction on availability of service. In those cases, the user will be denied access to the application and has to go for emergency help desk calls.

Cognalys ( mOTP)

Cognalys is using missed calls instead of traditional SMS based OTP and in roaming there is no restrictions on calls in different countries. By using Cognalys, irrespective of any country or network, users will be served with the mOTP.



High Cost for roaming user

When customer travels abroad, based on operator there will be a restriction on availability of service.Even in case service is available for some countries, the roaming cost per SMS will be very high.

Cognalys ( mOTP)

As cognalys is using only missed calls to serve with OTP there is no charges at all for the service for roaming users. Currently cognalys is serving more than 200+ countries with a single API and irrespective to the country and network cognalys serves mOTP to the uses in these countries. And cognalys is an international service and no special charges to serve in the above said 200+ countries( no country based billing).



Dependency on Government Regulations

In emergency and sensitive situations, governments can dictate blockage of bulk SMS there by effecting the service of SMS based authentication methods. Similar situation has been evidenced in 2010 when government has called for blocking of all bulk SMS during a court hearing on a sensitive subject in India.

Cognalys ( mOTP)

As cognalys is using only missed calls to serve with OTP, there will not be any restriction on calls and missed calls in any emergency sistuations will be raised by governments. So at any emergency or sensitive situations cognalys service will be continues as that of normal days.




Mobile phone is used to connect to the internet

In cases when a mobile phone creates a data connection it can't receive SMS messages and user might not be aware of this situation in most cases. Users trying to utilize their mobile phone as a way of connecting to the Internet would not receive their OTP until they hang-up the data connection.

Cognalys ( mOTP)

Even if the mobile phone is using for data connection, priority will go to voice calls in most of the mobile phone operataing systems. The missed calls OTP will be served as normal even the system is connected for data connection. No delay / missing of OTP when it is important.



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number verification, two factor authentication and Missed call Otp.

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Problems with-sms-based-authentication(otp)-cognalys-m otp