Part Number Description
FL-SRST-144 Feat Lic Survivable Remote Site Telephony up to 144 phones
FL-SRST-144= Feat Lic Survivable Remote Site Telephony up to 144 phones
FL-SRST-480= Feat Lic Survivable Remote Site Telephony up to 480 phones
FL-SRST-480 Feat Lic Survivable Remote Site Telephony up to 480 phones