While you wait for answers, we may have found some information which could help you.
Click here for Phone Bell Ringcan my BTeasIcom 1000 corded telephone be repaired?
How can I fix my princess phone, push button 1950s design?
How do I "check the phone cord" ?
What sequence is the wire to the main inbound plug?
Binatone 1900?
How can I fix my Binatone 3525 phone?