Check the listing for details. Nortel Network CallPilot 100 Voicemail System. Condition: Used, Made in Mexico. Listed at 150.00 USD. The Nortel Network CallPilot 100 Voicemail System is a reliable and efficient communication solution for businesses. With 4 ports and the CallPilot model, this system offers ample space for organizing and managing incoming and outgoing voice messages. Nortel, a well-known brand in the telecommunications industry, ensures high-quality performance and durability. This voicemail system is an essential component for any office looking to streamline their voice processing needs.