Description
Make sure this fits by entering your model number. S300 Advanced communication features to create effective business communication experience for small business, connecting to traditional lines, SIP Ext 300 by default ( max 500) Concurrent call: 60 by default (max 120) Expand Cards:max 3 EX08/ EX30 & 2 D30 Analog Ports: max 24 FXS/FXO ports BRI Ports max S300 Advanced communication features to create effective business communication experience for small business, connecting to traditional lines, SIP Ext 300 by default ( max. 500) Concurrent call: 60 by default (max. 120) Expand Cards:max. 3 EX08/ EX30 & 2 D30 Analog Ports: max. 24 FXS/FXO ports BRI Ports max. 24 BRI ports GSM Ports: max. 6 GSM ports E1/T1 Ports max. 3 E1/T1 ports Storage: SD Card.