Call Corrector

Feel home anywhere ...

Automatically correct incorrectly dialled numbers in home country.

Call corrector enables roamers to dial numbers directly from the address book without manually correcting the number format which make the life easy for the users.

Call corrector enables inbound roaming subscribers to access home short codes while roaming.

How it Works?

You simply dial…

If dialling prefix is not correct, the call is continued and SMS notification is sent to inform the roamer about misdialling.


Short Code Solution

Short Code to long number mapping is done on the call receipt based on the populated Short Code Map Table.

    • The solution uses Standalone Insert Subscriber Data to facilitate itself for call controlling.
    • For post-paid subscribers, it is possible to use NCSI, instead of Standalone-ISD.
    • Can be integrated with existing Welcome SMS platform for Location Update triggers over Web Service API.

Main Modules of the solution

Call Corrector (CC) Node

Sigtran or SS7 TDM signalling (SG) Node

Call Detail Records (CDR) Node

Alarms & Monitoring (OAM) Node

SMPP Connector (ESME) Node

  • Service is for both post-paid and prepaid in roamers
  • Call Corrector for both local and international dialling
  • Blacklist/Whitelist
  • MSISDN Prefixes
  • IMSI Prefixes
  • Network wise service enable/disable.
  • SMS Notification
  • Facility of dialling home short code numbers while roaming
  • Priority Based routing on conflicts
  • SMS Notifications of corrected numbers
  • Blacklist/Whitelist
  • Network wise service enable/disable facility
  • Support for Mobile Number Portability (MNP) Support for Mobile Number Portability (MNP)

  • ITU-T Q.761 – Q.764 (ISUP)
  • ITU-T Q.1218, Q.1228, Q.1238.2 (INAP)
  • ITU-T Q.711-Q.714, Q.716, (SCCP)
  • ITU-T Q.771-Q.775 (TCAP)
  • ETSI GSM 09.02 / 3GPP 23.002
  • IETF Sigtran M3UA (RFC 4666)
  • SCTP with Multi Homing Feature Capability (RFC 4960)

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