Take advantage of the smallest, most cost-effective voice ICs on the market, enabling a wide range of telephony, voice over broadband and data transmission equipment. 

Global compliance and software programmability allow our DAA and subscriber line interface (SLIC) products to easily be implemented as a single worldwide design, enabling you to ship one board design without changing any external components.

  ProLIC Voice Codec Voice DAAs
FXS Ports 1 or 2 N/A 0
FXO Ports 1 or 0 N/A 1
Host Interface PCM/SPI or ISI ISOmodem Proprietary PCM GCI or PCM/SPI
Microphone and Line Level Input No Yes No
Headphone and Line Level Output No Yes No
Featured Product Si3219x Si3000 Si3050
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