| 摘要 |
<p>A telecommunication system (2), which acts as a rerouting engine between networks of different service providers, comprises at least a minti-point conferencing unit (8), a gatekeeper (6), a switch (14), a radius server (16) and a firewall (4), the minti-point conferencing unit (8) being connected with the firewall (4) through the switch (14) via the gatekeeper (6) and radius server (16). The system further comprises at least one ISDN gateway (10) connected with the switch (14) and a VPN connected with the firewall (4). These interfaces allow a connection to networks of different telephone service providers.</p> |
