Four Voice Gateway for Sale, if you are interested please DM 1. Voice Gateway: Media Gateway G430, Avaya, in good condition. 2. Voice Gateway: Media Gateway G430, Avaya Call Manager is a card in this Voice Gateway Card1 (Avaya S8300 - D V4) Card2 (Avaya MM710-E1/T1-HV4) Avaya Aura. This server is currently running release: S8300-015-02.1.016.4. 3. Voice Gateway: Media Gateway G430 Avaya, in good condition 4. Voice Gateway: Yeastar-S100, Yeastar Voice Gateway. Model: S100