Nortel Norstar NT7B53 Modular ICS (MICS) KSU (NT7B53) - Refurbished

Features Two universal slots for use with analog and digital line/trunk cartridges Supports up to 32-station ports Basic control unit configured for 0 incoming lines and 32 station ports providing flexibility to add analog or digital line/trunk cards Supports Analog Station Modules for the addition of analog single line devices (single line telephones, fax, modem, etc.) Supports ISDN-BRI, PRI, and T1 digital services as well as point-to-point communications and private networking between locations Compatibility Phones M7000 Series telephones T7000 Series telephones Voicemails StarTalk Flash CallPilot 100 CallPilot 150