it call a ringback tone, contact your service provider, or look up their support site
e.g. verizon is https/www.verizonwireless.com/support/ringtones-and-ringback-tones/
it call a ringback tone, contact your service provider, or look up their support site
e.g. verizon is https/www.verizonwireless.com/support/ringtones-and-ringback-tones/