Configuration changes, such as: feature and capacity upgrades, routing and dial plan changes, PBX or IP-PBX changes, SIP trunk changes, etc. Intended for configuration changes that require effort by AudioCodes of more than 15 min. This service is only provided remotely and is only provided during normal business hours. Can be used for 1 year after purchase with optional extension of up to 3 months upon request. Valid support contract required.