The VIP-201A SIP Paging Gateway is designed for use with virtually all IP based telephone systems. The unit provides SIP addressable groups and 1 analog output. The VIP-201A can control thousands of IP and/or analog speakers or provide interface to legacy paging systems. Connection to a SIP Server can be as individual SIP Stations (extensions) or as a SIP trunk. Station mode provides up to 8 SIP-addressable groups. Trunk mode accepts up to 100 SIP phone numbers for flexible grouping.