Call Features299NoteIf you do not specify a line, the phone uses the first available line to dial out the hotline number by default.This feature works only if the Off Hook Hot Line Dialing feature is disabled. For more information, refer toOff Hook Hot Line Dialing.TopicHotline ConfigurationHotline ConfigurationThe following table lists the parameters you can use to configure hotline.Parameter features.hotline_number .cfgDescriptionIt configures the hotline number that the IP phone automatically dials out when youlift the handset, press the Speakerphone key or the line key.Leaving it blank disables hotline feature.Example:features.hotline_number = 1234Note: Line key is not applicable to T19(P) E2 IP phones.PermittedValues String within 32 charactersDefault BlankWeb UI Features->General Information->Hotline NumberPhone UIT54S/T52S/T48S/T48G/T46S/T46G/T29G:Menu->Features->Others->Hot Line->Hotline NumberT42G/T42S/T41P/T41S/T40P/T40G/T27P/T27G/T23P/T23G/T21(P) E2/T19(P) E2:Menu->Features->Hot Line->Hotline NumberParameter features.hotline_delay .cfgDescriptionIt configures the waiting time (in seconds) for the IP phone to automatically dial outthe preset hotline number.If it is set to 0 (0s), the IP phone will immediately dial out the preset hotline numberwhen you lift the handset, press the Speakerphone or press the line key.If it is set to a value greater than 0, the IP phone will wait the designated secondsbefore dialing out the preset hotline number when you lift the handset, press theSpeakerphone key or press the line key.Note: Line key is not applicable to T19(P) E2 IP phones.Permitted Integer from 0 to 10
