ModemServe is compatible with nearly all multi-modem or multi-port serial board that allow Windows to see their COM ports, including both Analog and Digital (ISDN) multi-modem cards. Here are several of the popular brands known to work:

Multi-Modem cards:

• Comtrol - RocketModem cards (4 or 8 modems)
• Digi AccellPort RAS- Multi modem adapters (4 or 8 modems)
• Equinox - Mult-Modems (4 or 8 modems)
• MultiTech Systems Multi-Modem ISI cards (4 or 8 modems)
• Patton Electronics Dialfire 2977 T1/E1 RAS cards (24 to 60 modems)
• Perle - Mulit-Modem cards (4 or 8 modems)
  
  

Multi-Serial port cards:

• Acenna Corporation Flexport serial cards
• Byte Runner Technologies - Mulit port serial cards
• Comtrol - RocketPort serial cards and serial hubs
• Connect Tech Inc. -Multi port serial cards
• Digi AccellPort - Mulit port serial cards
• Equinox - Super serial I/O cards
• MultiTech Systems Intelligent Serial Interface cards
• Perle - Mulit port serial cards
• Sealevel Systems - COMM+ multi port serial cards
• Stallion EasyIO - multi port serial cards
  
• WCSC Multi port serial cards