Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series IP Phones370Ringer DeviceThe IP phones support either or both speaker and headset ringer devices. You can configure which ringerdevice to be used when receiving an incoming call. For example, if the ringer device is set to Headset, ringtone will be played through your headset.If the ringer device is set to Headset or Headset&Speaker, the headset (either a wired headset, Bluetoothheadset or USB headset) should be connected to the IP phone and the headset mode also should beactivated in advance. The USB headset is only applicable to T41S/T42S/T46S/T48S/T52S/T54S IP phones.You can press the HEADSET key to activate the headset mode. For more information, refer to the Yealinkphone-specific user guide.TopicRinger Device ConfigurationRinger Device ConfigurationThe following table lists the parameters you can use to configure ringer device.Parameter features.ringer_device.is_use_headset <y0000000000xx>.cfgDescriptionIt configures the ringer device for the IP phone.If the ringer device is set to Headset or Headset&Speaker, the headset should beconnected to the IP phone and the headset mode also should be activated in advance.Note: If you want to user speaker ringer device for the phone, you have to set“features.speaker_mode.enable” to 1 (Enabled). If you want to user headset ringerdevice for the phone, you have to set “features.headset_mode.enable” to 1 (Enabled).PermittedValues0-Use Speaker1-Use Headset2-Use Headset & SpeakerDefault 0Web UI Features->Audio->Ringer Device for HeadsetAudio VolumeYou can configure the sending volume and ringer volume for the phone.TopicsRinger Volume ConfigurationSending Volume Configuration