The Sipura SPA-841 IP telephone can be configured as a two (2) line or, via a simple software upgrade, a four (4) line full featured business phone with pixel based graphical display, speakerphone and headset port. Stylish and functional in design, the SPA-841 can be used in residential, SOHO, enterprise and small to medium business service offerings including IP PBX, hosted IP telephony and IP Centrex. The SPA-841 leverages Sipura’s market leading technology and manufacturing proficiency to deliver an upgradeable, high quality IP telephone unparalleled in value and support.

Interoperability and SIP Based Feature Set
Experienced telephony service network operators recognize that technical acumen coupled with responsive pre and post sales support are critical for a successful deployment. Sipura’s extensive interoperability track record with VoIP industry infrastructure leaders via standards based and platform specific SIP signaling enable network providers to quickly roll-out competitive, feature rich service offerings. Armed with a mature feature set with hundreds of programmable parameters, the SPA-841 utilizes the call processing functionality found in existing Sipura products. Sipura VoIP endpoint solutions solve many time-to-market requirements of enterprise users and leverage the advantages of an IP network like easy acceptance of station moves, presence and shared line appearances across geographically separate locations.

SPA-841 Two to Four Line Upgrade Instructions
The SPA-841 can be upgraded to four (4) line operation with the installation of a license key. License keys are available from authorized Sipura dealers or direct from Sipura's on-line license key fulfillment / payment store.