Toshiba CTX100 System with ACTU1A processor configured for 8 lines RCOU / RCOS, 16 digital phones BDKU / BDKS and remote modem access with AMDS card. The base CTX100 CHSUB112a is configurable in combination of lines and digital stations. The system can be expanded up to 112 ports using the Toshiba CHSUE112a expansion cabinet. The highly versatile CTX100 is VOIP compatible for operating remote offices over the internet using the Toshiba IPT2010SD and IPT2020SD telephones. All Toshiba digital telephones (DKT, IPT and DP series) are compatible with this unit depending on your budget. Ideal for a small to medium size company coupled with easy and economical scalability.