Labels:text | screenshot | yellow | cartoon OCR: ADCO PENDOLE Figure 1. The City of Pittsburgh outsources the management and maintenance of its wireless network to Paradigm4. AT&T Wireless and Bell Atlantic Nynex transport the encrypted data using Cellular Digital Packet Data (CDPD) to Paradigm4's Stratus message server. The data is then transported over frame relay to the mainframes in Harrisburg, PA, where it is decrypted.