ISDN

Avaya MM710B T1/E1 Media Module (700466634) The Avaya MM710B T1/E1 Media Module terminates a T1 or an E1 connection to either private enterprise network trunks or to trunks to the public network. MM710B Features Built-in Channel Service Unit (CSU) Software- selectable T1 or E1 operation Echo cancellation D4, ESF, or CEPT framing ISDN PRI capability: 23 B-channel + 1 D-channel or 30 B-channel + 1 D-channel AMI, ZCS, B8ZS (T1) or HDB3 (E1) line codeing Fractional T1 support Compatibility Supported in G350, G430, G450, and G700 Media Gateways Buy with Confidence. Your order also includes MetrolineDirect's Rock Solid One Year Warranty PLATINUM PROTECTION : This product is eligible for a 2 Year Replacement Warranty!

The Dialogic Brooktrout TruFax fax boards offer small businesses and departmental workgroups dependable network fax capabilities. These intelligent fax boards support a variety of applications, such as fax server and workflow fax, and offer enterprise-level quality and performance to small businesses. Brooktrout TruFax Fax Boards provide four channels per board for dedicated send-and-receive-c hannel configurations. The four-channel BRI configurations are generally used in network fax solutions.

Digium 1HB8-0800BLF Eight Port Hybrid PCI-Express x1 Card with 8 BRI Interfaces and HW Echo Cancellation (1HB8-0800BLF) The H8 Series are half-length, full-height cards supporting Digium's existing single-port FXS (S110M) and FXO (X100M) modules as well as Digium's existing quad-port FXS (S400M) and FXO (X400M) modules. New with the release of the H8 cards is Digium's B400M four-port EuroISDN S/T module. The B400M sets a new standard for BRI connectivity in the Asterisk market with its support for software- selectable mode (NT or TE) and line termination. The B400M requires no jumpers for operation, regardless of mode or termination.

CISCO - (NM-4B-S/T) CATALYST 3600 4PORT ISDN-BRI NETWORK MODULE. . IN STOCK.

TN464GP Universal DS1/PRI Interface (108826884) Avaya TN464GP Features Supports DS1 Rate (24 Digital Channels) and E1 Rate (32 Digital Channels) All versions support CO, TIE, DID and OPS (Off - Premises Stations) port types using the robbed signal protocol, proprietary bit-oriented signaling, (BOS) 24th channel signaling protocol, and the DMI-BOS 24th channel signaling protocol All versions also support ISDN-PRI connectivity TN464E and later provide test jack access to the DS1 or E1 line and support the 120A Integrated CSU TN464F and later suffix is required to communicate with Conversant TN464GP provides echo cancellation and downloadable firmware capabilities for Definity Release 9 and later TN464GP backwards compatible with earlier Definity Releases Firmware download feature requires... Less