GAI-Tronics SIP VoIP telephones have been tested for their emergency / industrial telephone interoperability in conjunction with the following Cisco equipment:

• Phones – Cisco 7960, 7941, 7961
• Gateways – Cisco ATA186/8
• SIP servers – Cisco call manager 5, Cisco call manager with MTP, Cisco call manager 6
• Switches – Cisco 3750