PIKA - PIKA [Asterisk ] Appliance for Linux

http://www.pikatechnologies.com/english/View.asp?x=608 asterisk appliance based on 400Mhz AMCC PowerPC. 1xFXS, 1x10/100Eth , expendable up to 8xFXO/FXS/BRI via modules. Sold with SDK and cross-compiler tool-chain

4fx, fxomod, and fxsmod Designs

http://www.rowetel.com/ucasterisk/4fx.html This project is a modular four port daughter card for the Blackfin STAMP. Here is a picture of the 4fx/fxsmod/fxomod boards assembled on top of a BF537 STAMP board: