Its not a tech visit or even a network visit that this customer requires. The account needs to be refreshed.
The only reason a tech would be dispatched would be to perform a docsis migration (phone over broadband) as all telco faults are now being handled this way.
If the customer is already docsis migrated then refresh the account or escalate to have the account rebuilt.
Feel free to click on the thumbs up thingy and kudos thing. It really helps me to feel important and boosts my ego.
Seriously though, I'm happy to help.