Two-line Speakerphone Phone;
Hi/Low Ringer and Speakerphone Volume Control;
Allow free Toggle between LINE1 and LINE2;
Including Power Adapter;
Multi-Party Conference Function Enabled between HOLD, MUTE, SPEAKER;
Exterior Jacks Allowable for Connection with Monitoring Switch and Remote Control;
Hi/Low Ringer and Speakerphone Volume Control;
Allow free Toggle between LINE1 and LINE2;
Including Power Adapter;
Multi-Party Conference Function Enabled between HOLD, MUTE, SPEAKER;
Exterior Jacks Allowable for Connection with Monitoring Switch and Remote Control;