2-PORT CHANNELIZED E1/T1/ISDN-PRI NETWORK MODULE
16-CHANNEL PACKET VOICE/FAX DSP MODULE REFURBISHED
4 PORT CLEAR CHANNEL T1/E1 HWIC
2-PORT CHANNELIZED E1/T1/ISDN-PRI NETWORK MODULE
16-CHANNEL PACKET VOICE/FAX DSP MODULE REFURBISHED
4 PORT CLEAR CHANNEL T1/E1 HWIC