I don't have trouble using the phone. In fact, I often find it easier to converse over the phone than face to face. I find that there are fewer distractions and I don't have to worry about making eye contact.
That said, some of the phone messaging systems are were designed by a creative sadist. They seem designed to inflict the maximum amount of pain for the minimum amount of benefit. At times, I have been very close to ripping my phone out of the wall and throwing it. Sometimes they give you 10 options and none of the options is right. If you pick one option at random, you have to sit for an hour listening to the most annoying music before talking to a person who can't help you.
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"Like lonely ghosts, at a roadside cross, we stay, because we don't know where else to go." -- Orenda Fink