While you wait for answers, we may have found some information which could help you.
Click here for Set Time ChangeSet date and time on a Durabrand 5595?
Cannot interrupt dial tone?
Where do I get a part for a corded Durabrand wall phone model #PH-559?
Durabrand PH-5562 phone?
Need to find a printable version of a Durabrand ph 5562?
how can I get a manual for Durabrand PH-3238 corded phone?