ZyXEL VOP1224-61 24 Port VoIP Line Card for LES-1000 Chassis

In addition to FAx and modem services, VoIP line module provides a parallel and distributed media gateway architecture to empower VoIP services by taking advantage of POTS voice signals. With the architecture, the line module serves up to 24 POTS ports. As part of the benefit, there is no throughput bottleneck or single-point failure issue in this architecture. The media gateway provides G.711, G.723, G.726, G.729a/b and T.38 codecs while RFC3261 SIP network signaling protocols is supported.