Digium TE133 Single Span T1/E1 PRI Card with Echo Cancellation 1TE133F Handsets The 1200771L1 includes four T1

The 1200771L1 includes four T1 ports and a HSSI interface

Adtran Total Access 600R Router 4200600L1 Description:

The Adtran 4430 has number standard and advanced features that make the router a powerful network tool

ShoreTel Handset Compatibility:

The BHEU1A installs inside your Toshiba DKT phone to allow for the use of a headset or an external loud ringing bell speaker

Digium TE133 Single Span T1/E1 PRI Card with Echo Cancellation 1TE133F Handsets The 1200771L1 includes four T1Digium TE133 Single Span T1 E1 PRI Card with Echo Cancellation 1TE133F Description: The Digium TE133 is a single span T1 E1 module for Asterisk phone systems. The TE133 provides an RJ 48 port to connect 24 T1 connections or 30 E1 connections. The Digium TE133 offers an Octasic hardware based echo cancellation module. The Digium TE133 uses a PCI E connection to connect with PCs and servers. Digium TE133 Features: Provides T1 E1 Span Hardware Based Echo