GenMessage also offers automated SIP trunking enabling Genesys Cloud clients to automatically create a SIP trunk within their Genesys Org in a matter of minutes. Select your phone numbers from within GenMessage and start calling with our initial call credits! Our SIP trunking environment is interconnected to the major carriers within Australia, NZ, and internationally. Built to meet the needs of the most demanding contact centre environments, wherever we can, we build redundancy in our infrastructure. Geographic and carrier-diverse network interconnects. Multiple upstream voice providers with automated failover for outbound and 13/18xx numbers.