Device Type: Hybrid IP-PBX Telephone System (Legacy Platform) Model/Part Number: Panasonic KX-TDA100DBP (KX-TDA100 Series) Trunk Capacity: Up to 124 total trunks (varies by card configuration; typically configured with 8 CO lines) Extension Capacity: Up to 64 analog/digital extensions (expandable to 128 with optional cards; typically configured with 24–48 extensions) Data Ports: 1x USB Port, 1x RS-232C Output, 1x Ethernet Port (for CTI) Key Features: Hybrid Analog/Digital/IP Telephony, Caller ID, Call Forwarding, Conference Calling (up to 8 parties), DISA with OGM, Voice Mail Integration, PC-Based Programming, VoIP Gateway Compatible Power Supply: Requires M-Type Power Supply (KX-TDA0104) Key Specs: Panasonic KX-TDA100DBP, Hybrid IP-PBX, 8 CO Lines / 24-48 Extensions (Base), Expandable, PC Programming, VoIP Compatible, DECT Wireless Capable, Legacy TDA Series Usage: Small-to-Medium Business (SMB) Telephony, Hybrid Analog/IP Migration, Branch Office Communication, Hospitality/Hotel Features