the cord connecting the phone with the handset or headset is anything but standard as each telephone manufacturer has its own wiring code
UPC: 788581651827
RDM Ports 1 x Male 5-pin XLR
65" 3 Green Soft-Edge Graduated Filter
032" Insulator Material Uninsulated Wire Size AWG Max 20AWG Tab Size - Metric 4
AUGAT - TE CONNECTIVITY 828-AG11D-LF IC & Component Socket, 800 Series, DIP Socket, 28 Contacts, 2.54 mm, 15.24 mm, Gold Plated Contacts Miller 1074 the cord connecting the phoneThis is a IC & Component Socket, 800 Series, DIP Socket, 28 Contacts, 2. 54 mm, 15. 24 mm, Gold Plated Contacts product from AUGAT TE CONNECTIVITY with the model number 828 AG11D LFProduct details No. of Contacts 28Contacts Contact Plating Gold Plated Contacts Row Pitch 15. 24mm Connector Type DIP Socket Product Range 800 Series Contact Material Beryllium Copper Pitch Spacing 2. 54mm Other details Brand AUGAT TE CONNECTIVITY Part Number 828 AG11D LF