Telecommunications - , District of Columbia, United States
IFAST is a US-based international numbering administrator. Currently the organization manages the IRM resource for CDMA2000 operators around the world and the SID resource for operators using CDMA2000, GSM and LTE. The IRM (International Roaming MIN) numbering resource identifies individual phones, and the SID (System ID) identifies geographical subsets of an operator's network.
Apache
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