Based on the SIP Standard, the SPA901 has been tested to ensure comprehensive interoperability with equipment from VoIP infrastructure leaders enabling service providers to quickly rollout competitive, feature-rich services to their customers.

Linksys SPA-901 Entry Level SIP VOIP Phone With hundreds of features and configurable service parameters, the SPA-901 addresses the requirements of traditional business users while leveraging the advantages of IP Telephony. Features such as easy station moves and shared line appearances (across local and geographically dispersed locations) are just some of the many advantages of the SPA-901.