Over the years I’ve made several resources available on this site. The following resources are currently available:
Communications Systems
- Asterisk — Information on the Digium Asterisk PBX.
- Cisco Unified Communications Manager — Information on the Cisco Unified Communications Manager and CME systems.
- NEC Ranger AK — Information on the NEC Ranger AK telephone system.
- Test Phone Numbers — A directory of test telephone numbers.