We apologize for the construction of our site. We will be back soon. TELNET Systems, Inc. Your one source for Security Systems and Telecommunications/Structured Wiring Systems in the Phoenix Metro area. We offer Alarm System monitoring starting at $20.00/month with no long term contract. Our services are month to month, billed quarterly. If you have an existing system and are out of your contract, we can monitor your system. Please feel free to call us at 602-723-0700 and ask for Bill