[Skunkworks] Video Conferencing services

Hey Skunks - I hope y'all great!! I would like to know if there is anyone in the list who has been able to publish their office VC equipment and is accessible via ISDN from a local provider other than Safaricom and Telkom or has enjoyed VC bridging services from a local provider. We wish to publish our VC and make it reachable\accessible via ISDN. You make also contact me off-list. Thanks, John