THIS IS A GENERAL INFORMATION GUIDE ONLY AND IN MOST CASES WILL BE LIMITED TO GPO ‘BRITISH POST OFFICE’ EQUIPMENT IF YOU FIND THIS GUIDE HELPFUL, PLEASE VOTE NOTES ON BUYING TELEPHONES SOME COMMON SENSE...
HERES A LITTLE GUIDE FOR THE BT INSPIRATION. NOT INSTRUCTIONS, JUST SOME EXPERIENCE. NEED SPECIFICS, TELL ME. DEFAULT INFORMATION. PIN 1111 FROM EXTENSION 20. NEEDS MAIN PHONE FOR PROGRAMMING, 4 WIRE...