how to unblock a blocked phone number on my AT&T landline

Hello all! To start with. I got this device from UVERSE. I do not think this is a prepaid device. I would tell you EXACATLY what it is, but once a

Fax line not working going to a voicemail. Was told line was okay, was told couldn’t troubleshoot. Please help.

I have a digital land line with Complete Choice Enhanced but after ATT came out to install internet (moved my land line to another physical line) som

Does disconnecting my landline have and effect with my Uverse and Internet service. I do not use landline at all.

How do I dial an overseas call from my phone?

Trying to configure VOIP from Desktop clients on newly established Fiber service with BGW320-500 Integrated Gateway. Traditional landline phone plugge

I can hear callees, but they cannot hear me.

I am supposed to hear a beeping dial tone when I have voicemail messages, but this doesn't happen. My landline uses a PBX phone system.  Is ther

We recently set up six syn248 phones and cannot find the setting to change the number of rings before voicemail picks up. We work in a warehouse and