When conducting a telecommunications audit for a business, one of the first things to be removed for cost savings are the Inside Wire Maintenance features (sometimes called Linebacker) from your business lines.  The probability of a break occurring within a building wall is very low (on average, once every 14 years).  The cost of paying a technician to service a break, if it were not covered by your equipment vendor’s maintenance contract, would be less expensive than paying a monthly maintenance fee indefinitely.