| Regulatory Notices | 93Why doesn't the phone ring?Check the ringer volume on the phone. To adjust the ringer volume setting, tap the Volume key when the phone isidle.Why can't I receive calls?• Check whether your status is DND mode, if it is, you should reset status.• Check whether call forward is enabled on the phone.Why doesn't my handset work?• Check that the headset cord is fully connected to the headset jack on the phone.Regulatory Notices• Service Agreements• Limitations of Liability• Safety InstructionsService AgreementsContact your Yealink Authorized Reseller for information about service agreements applicable to your product.Limitations of LiabilityTO THE FULL EXTENT ALLOWED BY LAW, YEALINK EXCLUDES FOR ITSELFAND ITS SUPPLIERSANY LIABILITY, WHETHER BASED IN CONTRACT OR TORT (INCLUDING NEGLIGENCE), FORINCIDENTAL, CONSEQUENTIAL, INDIRECT, SPECIAL, OR PUNITIVE DAMAGES OF ANY KIND, ORFOR LOSS OF REVENUE OR PROFITS, LOSS OF BUSINESS, LOSS OF INFORMATION OR DATA, OROTHER FINANCIAL LOSS ARISING OUT OF OR IN CONNECTION WITH THE SALE,INSTALLATION,MAINTENANCE, USE, PERFORMANCE, FAILURE, OR INTERRUPTION OF ITS PRODUCTS,EVENIF YEALINK OR ITS AUTHORIZED RESELLER HAS BEEN ADVISED OF THE POSSIBILITY OFSUCH DAMAGES, AND LIMITS ITS LIABILITY TO REPAIR, REPLACEMENT, OR REFUND OF THEPURCHASERICE PAID, AT YEALINK’S OPTION. THIS DISCLAIMER OF LIABILITY FOR DAMAGES WILLNOT BE AFFECTED IF ANY REMEDY PROVIDED HEREIN SHALL FAIL OF ITS ESSENTIAL PURPOSE.Safety InstructionsSafety InstructionsSave these instructions. Read these safety instructions before use!The following basic safety precautions should always be followed to reduce risk of fire, electrical shock, and otherpersonal injury.