IPX-G500

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• Survival mode
• Max 500 Port
• PRI, FXO, FXS

OfficeServ 7400

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• Survival mode
• Max 480 Port
• E1/PRI, FXO, FXS

OfficeServ 7200

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• Survival mode
• Max 128 Port
• E1/PRI, FXO, FXS

OfficeServ 7070

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• Survival mode
• Max 32 Port
• PRI, FXO, FXS