Page 34 - ITU-T Focus Group Digital Financial Services – Consumer Experience and Protection

ITU-T Focus Group Digital Financial Services
Consumer Experience and Protection

NOTE: This KPI and its technical basis are currently not standardized and therefore cannot be assessed in a
comparative manner.

4.3.4 USSD receive confirmation failure ratio [%]
Definition under study.

• Target: 1% - 0.5% - 0.1% ?

NOTE: This KPI and its technical basis are currently not standardized and therefore cannot be assessed in a
comparative manner.

4.3.5 SMS service non-accessibility [%]

The SMS service non-accessibility is the probability that the end-user cannot access the Short Message Service
(SMS) when requested while it is offered by display of the network indicator on the UE.

• Target: 2% - 1% - 0.5% ?

4.3.6 SMS completion failure ratio [%]

The SMS completion failure ratio is the ratio of unsuccessfully received and sent messages from one UE to
another UE, excluding duplicate received and corrupted messages.
A corrupted SMS is an SMS with at least one bit error in its message part.

• Target: 1% - 0.5% - 0.1% ?

4.3.7 SMS end-to-end delivery time [s]

The SMS end-to-end delivery time is the time period between sending a short message to the network and
receiving the very same short message at another UE.

• Target values:
– 60 sec for 90%, 120 sec for 100%
– 30 sec for 95%, 90 sec for 100%

– 10 sec for 98%, 30 sec for 100% ?

4.3.8 SMS receive confirmation failure ratio [%]

The SMS receive confirmation failure ratio is the probability that the receive confirmation for a sent attempt
is not received by the originating UE although requested.

• Target: 1% - 0.5% - 0.1% ?

4.3.9 HTTPS Service non accessibility [%]

The HTTPS service non-accessibility ratio is the probability that a subscriber cannot establish a PDP context
and access the service successfully.

The packet data protocol (PDP) context is a data structure present in several parts of the mobile network which
contains the subscriber's session information when the subscriber has an active session.

• Target: 2% - 1% - 0.5% ?

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