Hold music is also not supported in consultative transfer of a PSTN call. Call answer/initiate (by name and number) Lets users answer inbound calls with a touch, and place outbound calls either by dialing the full phone number or by clicking a name in the client.
The effectiveness of the first three above-mentioned elements are often neutralized by a poor understanding of the broadcast carrier of the On Hold message and how it affects the recording process. For more information on this topic, click here.

Hiring a specialized on hold messaging company can get expensive. As a more affordable alternative, you can use pre-made, ready to use on hold messages and music, like the examples we mentioned earlier.
Hold music gained mainstream popularity in the early aughts. As cell phone customization became more of a focus, ringback tones gained popularity. People carefully chose the song to play in lieu of ringtones for incoming calls. It was a chance to control the call experience and showcase your personality before you even said hello. By the time the first US national carrier offered ringback tones in 2004, it was a multibillion-dollar industry. Hold music keeps your callers distracted from the wait. Why Use Hold Music at All?