Scope:The following steps will allow you to configure BLF and Speed Dial keys on your Grandstream IP phone.Requirements:LAN access to your Grandstream IP phoneObtain the IP AddressFrom the handset press the Up arrow keyNote the IPv4 AddressLog Into IP PhoneUsing Chrome or Firefox enter the IPv4 address from the above stepsOn an unprovisioned phone the default password is admin/admin. Please contact support for the login to a provisioned phoneClick Login Edit Virtual Multi-Purpose KeysNavigate to Settings > Programmable Keys > Virtual Multi-Purpose KeysThe buttons for the phone will appear in numbered order going down the left side then down the right side. It is recommended to leave line 1 as it is used for registrationOn the key you wish to modify, select Edit VPKEnter the values described below:Mode: Busy Lamp Field (BLF)Accounts: Account 1Description: Label you wish to appear on the screen (i.e. extension number)Value: Extension number you wish to monitor (i.e. 201)Click SaveContinue the process for as many BLF keys as you wish At the end of the list, you may press Add VPK to continue adding more.Once finished click Save VPKVirtual Multi-Purpose Key TypesVPK ModeDescriptionLineUsed for active accounts. Typically used for the first button on the phone.Shared LineShares the same line across multiple phonesSpeed DialOpen line and dial specified digits using selected accountBusy Lamp Field (BLF)Monitors presence of other extensionsPresence WatcherFor future useEventlist BLFFor future useSpeed Dial via Active AccountOpen line via current active account and dial specified digitsDial DTMFSends DTMF key toneVoicemailDials voicemail (9901)Call ReturnRedials last dialed callTransferTransfers call to another extension or phone numberCall ParkTransfer to parking lotMonitored Call ParkTransfer to monitored parking lotIntercomIntercom with selected extensionLDAP SearchFor future useMulticast PagingPages specified group of extensionsRecordEnables call recording from the phoneCall LogOpens device call historyMenuOpens device menu