Most of the people don’t know
about USSD. In Telecom, USSD is nothing but a protocol used in GSM mobile
phones for communicating with service provider’s PC. USSD stands for Unstructured
Supplementary Service Data which can be used in WAP browsing, independent
callback services, balance checking, local menu-based content services etc. It
is a message which is similar to short message service (SMS) consists of 182
alphanumeric characters in length. But USSD is more responsive than the
services that used in SMS. USSD Message is a flash message which don’t store in
phone and expires after 20 sec. So reply will accept before the expiry time of
message. You can also access real-time updates from social networking sites
like face book, twitter and LinkedIn. These USSD messages can be pushed through
USSD Gateway.
USSD Gateway:
USSD Gateway is known as
electrical switch which controls several different protocols or communications
signals and routed based upon several different parameters. It routes USSD
messages from the signaling network to service applications and vice versa. For
using this gateway we have know what session is going on. It also locates where
the mobile station is currently. The functionality of USSD is well available on
roaming networks and the messages will be routed back to home HLR. It works in
two modes i.e., pull and push modes.
hi
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