While you wait for answers, we may have found some information which could help you.
Click here for Phone Durabrand Model Phneed to reset phone model #ph-5560 durabrand?
Cannot interrupt dial tone?
How can I get a manual for a Durabrand corded phone model 5562?
Need Manual?
Durabrand PH-5562 phone?
Where do I get a part for a corded Durabrand wall phone model #PH-559?