VOP CARD 16 PORT T1/E1 clei The 16 port T1/E1 Voice over Packet(VoP) card provides voiceband services such as compression, echo cancellation and silence suppression on a per channel basis. The VoP card transports voiceband data (voice, modem, fax) across the ATM network via ITU-T standard AAL2. Basic voiceband processing (echo cancellation, A-law <-> mu-law conversion, . . .) is also supported for channels configured for AAL1. The supported Codes are G.711, G.726,and G.729A/B. Channel licenses for G.729A/B must be purchased separately (90-9729-02). This card also supports Fax and Modem bypass functionality. Due to power supply and cooling considerations, the 16-port T1/E1 VoP card (Voice over Packet) cannot be installed in a version 1 Peripheral shelf (part number 90-2190-01).
