Developer(s) | Sippy Software, Inc. |
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Operating system | Linux, BSD, Solaris |
Type | SIP Server |
License | GPL |
Website | Sippy B2BUA Homepage |
Sippy B2BUA is a RFC3261-compliant Session Initiation Protocol (SIP) Back-to-back user agent (B2BUA) software distributed under the terms of GPL Free Software license.
Sippy B2BUA was designed with robustness and performance in mind and now being used by several hundreds ITSPs all around the globe. The software now is being actively developed and maintained by the Sippy Software, Inc..