i bought an old southwest bell payphone years ago and am finally getting around to hooking it up, thought all i needed was a 2 wire, ring and tip,i get a weak dial tone, can't call out, when i call in it rings till i answer, but get no sound, just the weak dial like tone,can anyone help me, as you can see from the pics it is a single slot touch tone, can't find any #'s anywhere, thanks cary

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