As an increasing number of carrier deployment and enterprise solutions, the need for direct interconnection between these VoIP networks is becoming more demanding.
The PLANET SIP-50 gives enterprises, system integrators and service providers a standalone SIP 2.0 (RFC3261) compliant proxy server for VoIP networks.

Based on the Session Initiation Protocol (SIP), the SIP-50 SIP Proxy provides a smart call authentication, call routing capabilities to maximize network performance in both corporation and Internet voice networks.
The SIP-50 provides the SIP client registration, authentication, and administration for all the SIP compliant endpoints in your network, including gateways, IP phones and PC clients.

The PLANET SIP-50 provides the NAT transversal capability to serve both the public and private network environments. The product detects and configures the network address information of calling parties. It also supports call routing to provide connectivity to calling parties not in the same VoIP network. This advanced call routing algorithm enables the SIP-50 providing load balancing and more flexibility in the VoIP deployment.