SIP Server Reviews

Access a wide variety of carrier services and SIP routing through an easy-to-use interface. This will allow you to offer more value for your customers or enterprise. VI Communication Services (formerly VoIP innovations) was created to enable Internet telephony service providers and managed service providers to provide high-quality services that customers expect. Our communication APIs can be used by businesses to enable their applications to use voice and messaging features to communicate with clients. Our CPaaS platform allows enterprises to seamlessly integrate communication capabilities in their software products using our prebuilt APIs over our robust SIP trunks. Our cloud-based communication APIs allow you to have more control and save money, while extending customer engagement and marketing across all communication channels like voice and messaging.

TekSIP for Windows is a SIP Registrar as well as a SIP Proxy. TekSIP supports UDP (IPv4 & IPv6), TCP (IPv4 & IPv6), TLS, and WebSocket transports. Only commercial editions support Secure WebSocket and TLS. TekSIP has been tested on Microsoft Windows Vista and Windows 7/8/10/11 servers. TekSIP is a signaling service for WebRTC based SIP-based phones. TekSIP is compliant with RFC 3261 and RFC 3263. It also complies to RFC 3581, RFC 3891, RFC 3311 and RFC 3481. It supports NAT traversal, ENUM. Please refer to Readme for technical details on NAT traversal. You can choose the IP address that will be listened to and alternative SIP endpoints when making outgoing calls. You can also log the session details in a log and monitor registrations and active sessions in real-time. Windows Performance Monitor (Perfmon.exe) allows you to monitor the number of active sessions and registrations. TekSIP redirects calls to an alternate endpoint if the called endpoint is not available (Offline, busy ...). GUI can be used to terminate an active SIP session.