36 CHAPTER 4: BASIC T ELEPHONE OPERATIONYou can also use Feature Codes to adjust the volume. PressingFeature + 102 raises the volume (increases the number of displayed barsby one). Pressing Feature + 103 lowers the volume (decreases thenumber of displayed bars by one).Putting a Callon HoldTo put a call on hold:On Model 3101 and 3101SP Basic Telephones:1 Press the Hold button.2 To return to the call, press the appropriate Access button.Music on Hold If configured by the administrator, callers on hold hear music while theywait.The VCX system’s WAV file importing capabilities are solely anaccommodation to you and shall not constitute a grant or waiver (orother limitation or implication) of any rights of the copyright owners inany audio content, sound recording or underlying musical or literarycomposition. Therefore, please be mindful that you are obligated tocomply with all applicable copyright and other intellectual property lawsin both uploading WAV files to the VCX system and your subsequent useof such WAV files.Dialing a New CallWhile on a CallYou can put a call on hold, dial a new call, and toggle between the twocalls:On Model 3101and 3101SP Basic Telephones:1 Press the Hold button.2 Press one of the Access buttons not currently being used.3 When you hear dial tone, dial the second call.Answering a NewCall While on a CallYou can put your current call on hold, answer a second call, and thentoggle between the two calls:1 When a new call arrives, press the Hold button to put the current call onhold.2 Press the Access button for the incoming call (its light will be flashing).