| 摘要 |
A common control telephone switching system having a first crossbar switch and associated transmission circuits for completing intra-switch connections between communication lines of the first crossbar switch; a second crossbar switch and associated transmission circuits for completing intra-switch connections between communication lines of the second crossbar switch; the system including relay transfer circuitry for enabling the previously mentioned connections and also for enabling the use of the transmission circuits for completing inter-switch connections between lines of both switches.
|
