Nortel NT8B88FB M8 Call Identification Interface (Refurbished)This Norstar caller Identification interface adds caller ID on the 824 (M8) or the 616 (C6). With this, the phone numbers of incoming calls will be displayed on the Norstar LCD. This caller ID module was designed for the M824 Norstar control unit. It converts all 8 trunk line ports into caller ID ports so that you may receive the service from your dial tone provider. Any additional lines on the system will require the NT5B41GA caller id card to
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