Complete Office Phone System with (8) X3030 IP Phones & support for (4) Standard Analog Lines. Item # C2508
X25 supports both standard analog telephone lines or XBLUE Cloud VoIP telephone lines. X25 capacity is up to (8) analog telephone lines, (8) VoIP line, (24) XBLUE IP Phones & (1) analog device / extension. The optional CO Line Expansion Adapter (4COLA) is required to expand standard analog telephone line ports.