tie trunk


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tie trunk

[′tī ‚trəŋk]
(electricity)
Telephone line or channel directly connecting two private branch exchanges.
References in periodicals archive ?
The new IVAD Tie Trunk and OPX features provide even more flexibility and value by enabling multi-site, multi-service enterprise applications at little incremental service cost to customers.
Tie trunk transport service creates a voice private network for unlimited flat-rated location to location calling, eliminating expensive toll charges.
Because the telecommunications division wanted to take advantage of the system's interestate long-distance network, it ordered three tie trunks between the PBX and the automatic route selector of the Centrex to handle interstate traffic.
The major benefit of the Alcatel solution is that it will reduce and consolidate the total number of telephone trunk lines that the city owns and permit removal of tie trunks between sites.
Hagmaier also plans to use the TeleWall system to analyze call traffic between the system's hospitals for objective data to justify replacing their existing local access trunks with less expensive tie trunks.
2 kb/s and use the remaining bandwidth to set up four tie trunks to carry voice and fax between Upland and the three most remote regional offices.
DTS alternatives to the local loop have captured the attention and interest of companies because they provide an obviously valuable alternative to telephone company tie trunks, off premise extensions, and other private-network links.