4. Telephonic communications
  5. Special services
  6. Automatic directory service

Ravi Narayan

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Device independent caller ID

Telephonic communications – Reception of calling information at substation in wireline... – Extracting call id from transmitted signal
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Method and system for call center screening

Telephonic communications – Telephone line or system combined with diverse electrical... – Having transmission of a digital message signal over a...
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Operator services customization with advanced intelligent...

Telephonic communications – Special services – Automatic directory service
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Profile ID: LFUS-PAI-P-2257219

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