PX24 nrX owners may also benefit the following optional hardware and software features:
- Telesis xSIP VoIP phones
- Telesis xSIP VoIP softphones
- Licenses for VoIP-to-TDM and TDM-to-VoIP gateway channels, which allow call routing between TDM and SIP users
- Licenses for xSIP VoIP phone users
- Licenses to expand playing and recording channels in the integrated DVR
- Licenses for automatic voice (conversation) recording on pre-selected TDM ports or SIP entities
- License for PMS(property management system) data link
