SMB Internet Telephony PBXi System SIP 2.0 (RFC3261), Max. 30 SIP IP phones/10 concurrent calls, FXO/FXS interfaces, Forward to voice mail on no-answer, internal 450 minutes, Configurable IVRi prompts.
Internet Telephony PBXi System SIP 2.0 (RFC3261), Max. 200 SIP IP phones/50 concurrent calls, FXO interface for PSTNi, Forward to voice mail on no-answer, Configurable IVRi prompts. Up to 4 PBXs cluster.
Full functional scalable SIP Proxy that allows you to overcome all NATi related issues. Use with the LanScape VOIP Media Proxy to obtain a fully scalable VOIP domain solution. Supports VOICE and VIDEO.
The HSSi SIP Server is a carrier grade RFC 3261 compliant SIP application server with built in support for proxy,registrar,redirect, conferencing and more. It comes with a complete extensible framework
Asterisk is an Open Source, full featured hybrid
TDM and VoIPi PBXi and IVRi platform. It allows you
to seamlessly integrate TDM (T1, PRI, FXS, FXO) and
VoIP (IAX, SIP, H.323) technologies in a single PBX
BEA WebLogic SIP Server is an integrated J2EE-SIP application server, providing a service creation and execution environment for converged HTTP-SIP Servlet applications in an IMSi network architecture.