Portech-IS-640 is compatible with IP-PBX,Asterisk

Portech IS-640 IP Speaker provides a user-friendly control and simple voice broadcasting. The product is designed to provide easy use for any office,department store,factory,school to be able to quickly broadcast announcements to their any assigned office or branch or classes (or a group of office or branch or classes).Th

The new Portech IS-640 can buy at Portech Europe Distributor VoIPDistri.com, more information it find at portech.de