* Performs all BORSCHT functions
* Tracking dc-dc controller
* Ideal for short to medium loops
* Patented low-power ringing
* Global programmabil.

* Parallel handset detection
* Type I and II caller ID support
* Integrated ring detector
* Programmabl.

* Integrated Access Devices (IAD)
* Analog Terminal Adapters (ATA)
* Small Office/Home Office (SOHO) PBX The Si3217x is a family of pin-compatible single-channel ProSLIC products that implement a complete foreign exchange station (FXS) .

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