BUY SI3220-FQ https://www.utsource.net/itm/p/5098323.html
IC TELECOM INTERFACE 64TQFP
Description: The SI3220-FQ is a multi-line, multi-function, single-chip device designed for use in voice and data applications. Features: Low power consumption Single-chip solution Multi-line, multi-function Supports up to 8 lines Supports up to 4 analog ports Integrated echo cancellation Integrated tone detection and generation Integrated voice processing Integrated data processing Supports caller ID Supports PSTN and VoIP applications Supports multiple protocols Applications: VoIP gateways VoIP phones PBX systems Voice over IP (VoIP) applications Voice over DSL (VDSL) applications Voice over cable (VoC) applications Voice over wireless (VoW) applications (For reference only)