Use Appia’s SIP trunks with your new PBX. Or connect them to your existing PBX and keep your system, stations, and consoles, and applications as voicemail, automatic call distribution, and conferencing. See certified IP-PBXs here.
You can also use SIP trunks as one step in a complete VoIP deployment. If you have more than one location, you can implement our hosted IP-CTX or IP-PBX solutions at one or more sites, but keep your legacy PBXs at other locations until it makes sense to replace them. This phased approach lowers your investment and allows you to implement IP communications at the pace you choose, all while taking advantage of the benefits of VoIP right away.
Our SIP trunks are delivered across the Internet** or Appia's voice-optimized network.
Do you have a contract with your local telephone provider? We will work with you to incorporate it into your SIP trunk solution.