The MultiVOIP MVP210-SS survivable SIP gateway and server is ideal for small branch offices of large corporations thathave deployed a distributed IP telephony network. It functions as the primary or secondary SIP server for IPphones used at the remote offices and renders local office survivability, in the case of a LAN or WAN failure, byproviding local, reliable PSTN trunking. The MultiVOIP SS gateway also provides local PSTN access for emergencycalls, such as 911, as well as normal inbound/outbound local calling. In addition, the gateway functions as ananalog telephone adapter (ATA), adapting analog phones and fax machines to IP environments.