Universal Personal Telecommunications
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What links here
E.164
H.323 Gatekeeper
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Area code 868
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DNS zone
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International direct dialing
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Nominal number
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List of dialling codes in Germany
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ISO/IEC 7812
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Distributed Universal Number Discovery
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Seven-digit dialing
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MSISDN
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.arpa
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E.123
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E.214
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Global title
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Callback (telecommunications)
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Telephone numbering plan
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Public switched telephone network
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Telephone number mapping
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North American Numbering Plan
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SIM card
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International mobile subscriber identity
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Numbering scheme
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Voice over IP
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X.25
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Network service access point address
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Telecommunications in Nauru
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List of telephone country codes
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Country code
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E.163
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