HOME > Products & Solutions > Voice Solutions > JanusVMS JanusVMS is a multi-network ready, large-scale voicemail system. This product is an essential component for residential VoIP service providers. It supports open standard SIP protocol for direct access from residential VoIP terminals and also supports PSTN access natively. With native robust signaling support, service providers can easily deploy this off-the-shelf product to an existing circuit-based network or an IP-based network. This product is an ideal solution for service providers who want to change an existing circuit-based network to an IP-based network, or to a network that needs both interfaces. Simply one board supports up to 2048 circuit-based calls and up to 2048 VoIP calls concurrently. Up to 32,768 DS0 can be supported in a single system. This product is offered in non-redundant as well as redundant configurations for high availability. Separate switching block and storage block architecture increases reliability and vailability. This solution uses Linux-based stream servers for message storage, which means this product is an inherently less expensive solution. Service providers can easily enlarge message storage by adding inexpensive Linux-based servers. A sudden increase of services can be easily supported. This architecture has virtually unlimited storage and is the most cost-effective solution for an application that requires large storage. Voice messages can be accessed by file format in Linux-based servers. Service providers can easily offer other methods of accessing the messages to end-users - by e-mail or web. Service providers can easily exchange the messages within their network or with other service providers without any geographic boundary limits by IP networks.