sequential connection造句

In practice, a single channel program may result in the establishment of several sequential connections.
abbreviated dialing-- access control-- add-on conference-- automatic answering-- automatic identified outward dialing ( AIOD )-- automatic message accounting ( AMA )-- automatic number identification ( ANI )-- automatic redial-- automatic sequential connection-- busy verification-- call detail recording ( CDR )-- called-line identification facility-- called-party camp-on-- caller ID-- call forwarding-- call hold-- calling-line identification facility-- calling-party camp-on-- call pickup-- call restriction-- calls-barred facility-- call splitting-- call transfer-- call waiting-- classmark-- conference call-- consultation hold-- dial service assistance ( DSA )-- dial-up-- direct dialing service-- direct distance dialing ( DDD )-- direct inward dialing ( DID )-- direct outward dialing ( DOD )-- essential service-- extended area service ( EAS )-- fixed loop-- group alerting and dispatching system-- line load control-- multiaddress calling-- network inward dialing ( NID )-- network outward dialing ( NOD )-- remote access-- remote call forwarding-- service feature-- speed calling-- spill-forward feature-- three-way calling-- transit network identification-- verified off-hook-- virtual call-- virtual circuit capability
It's difficult to find sequential connection in a sentence. 用sequential connection造句挺难的