The scalable and programmable VS-900 supports up to 1088 stations including inexpensive Caller-ID telephones and ADA-compliant sub-stations. Calls can be automatically forwarded to mobile telephones to give security personnel unrestricted movement during off-peak hours. The VS-900 integrates easily with access control and video surveillance equipment and includes event logging, recording and off-site monitoring capabilities. The VS-900 security intercom system is backed by a two-year TOA product warranty with free technical support and system design assistance.