Panasonic KX-NCP1104 4-Channel VoIP DSP Card DSP44 Channel VoIP Digital Signal Processor Card (DSP4)Comes with one SHGW4 activation key and one 8 IP-PT activation key preinstalledCompliant with ITU-T G.729a and G.711a CODEC methods and mounts on the IPCMPR cardThe KX-NCP1104 is compatible with the K..