![OpenVox VS-EIU-1004 4 port PRI T1/E1 Adapter OpenVox VS-EIU-1004 4 port PRI T1/E1 Adapter](https://voip.com.vn/27734-large_default/OpenVox-VS-EIU-1004-4-port-PRI-T1-E1-Adapter.jpg)
OpenVox VS-EIU-1004 4 port PRI T1/E1 Adapter
The OpenVox VS-EIU-1004 is 4 port T1/E1 Adapter. It supports up to 128 channels in E1 mode or 96 channels in T1 modes. VS-EIU-1004 supports industry standard telephony and data protocols, including Primary Rate ISDN. Find out more at voip.com.vn