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AtlasPhones has maintained our status as the customer service leader in the Business Telecom Industry since 1998 - 5-Star Rated by Yahoo! Shopping Network - Same Day Shipping - Ultra Competitive Prices - AtlasPhones Warranty - Secure Online Ordering - Free Technical Support - Huge Inventory - Free Ground Shipping* In Continental U.S.A. - "The Trusted Source" TN722B DS1 Tie Trunk
8 ports connecting to multi-appearance hybrid analog and digital voice terminals
24 independent trunk connections to a 1.544-Mbps DS1 facility
Each trunk transmits data at 64 kbps common channel or 56 kbps Robbed Bit Signaling.
Three types of digital tie trunk interfaces: voice-grade DS1, alternate voice/data (AVD) DS1 tie trunks, and digital-multiplexed interface (DMI)
Provides Bit-Oriented Signaling (BOS) on the automatic, immediate-start, delay-dial, and release-link trunks
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