Assertion: telephone communication system | /r/CapableOf | receive calling party information
Facets:
Source sentences:
text: At step 306, central processing unit 115 transmits control signals via input/output interface circuit 117 and bus 114 to trunk circuit 120-0 to indicate that telephone communication system 103 is ready to receive the calling party information.
text: These control signals cause trunk circuit 120-0 to transmit a wink signal to central switching office 100 over trunk 107 to indicate that telephone communication system 103 is ready to receive the calling party information.