Inter-Tel 550.2740 Axxess T1/E1 PRI Module Conference Phones The NetVanta 4305 supports additional

The NetVanta 4305 supports additional features such as a stateful inspection firewall

The Adtran 1524ST is a stackable switch

The 1200180L1 can support routing and transfer of converged networks including voice

See Also: First generation 908e

The Altigen IP 705 comes with either a Power over Ethernet (PoE) device or a DC power supply

Inter-Tel 550.2740 Axxess T1/E1 PRI Module Conference Phones The NetVanta 4305 supports additionalInter Tel 550. 2740 Axxess T1 E1 PRI Description: The Inter Tel 550. 2740 is a special digital line card that provides the Inter Tel Axxess phone system with a connection to a T1, E1, or PRI interface. The Inter Tel 550. 2740 terminates the circuit connection at your phone system. This is accomplished through the onboard channel service unit (CSU). The Inter Tel 550. 2740 can accept an optional PAL chip. Auto Gain Control is built in and supported by