XenZu’s team has unmatched expertise in design, development and sustaining of VoIP products of virtually any complexity:
- IP PBX, Softswitches
- SIP or H.323 based IP phones (hardware or software)
- Voice Mail servers
- Conference Servers
- Interactive Voice Response, Voice Calling Card solutions
- Messaging systems
- Call Supplementary Services Solutions
- SIP servers/proxies
- IP to IP signaling gateways (providing protocol to protocol trance coding, e. g. SIP to H.323)
- And much more…