LandOfFree - US Patents - Listing for Telephonic communications,Subscriber line or transmission line interface,Network interface device

Telephonic communications – Subscriber line or transmission line interface – Network interface device

Methods and apparatus for providing comfort noise in communicati

Telephonic communications – Subscriber line or transmission line interface – Network interface device

Midspan power delivery system for reduced emissions

Telephonic communications – Subscriber line or transmission line interface – Network interface device

Monitor network for a digital switching cross-connect module

Telephonic communications – Subscriber line or transmission line interface – Network interface device

Monolithically integratable telephone circuit for feeding a subs

Telephonic communications – Subscriber line or transmission line interface – Network interface device

Multi-channel echo canceler and method using convolution of two

Telephonic communications – Subscriber line or transmission line interface – Network interface device

Multi-channel echo canceling method and apparatus

Telephonic communications – Subscriber line or transmission line interface – Network interface device

Multi-channel echo cancellation with adaptive filters having sel

Telephonic communications – Subscriber line or transmission line interface – Network interface device

Multi-dwelling unit module for passive optical networks

Telephonic communications – Subscriber line or transmission line interface – Network interface device

Multi-service network interface for FDM communications systems

Telephonic communications – Subscriber line or transmission line interface – Network interface device

Multimedia patching box