Vega Gateway to Switchvox Configuration Guide provides detailed information about the configuration requirements in Vega series of Gateways Vega 60G, Vega 3000G and Vega 3050G. A typical deployment connects POTS phones to the FXS interface of the Vega Gateway and the Vega connects to the Switchvox IP-PBX, registering all of the FXS Extensions to the Switchvox.
Please go HERE for all steps.