call

not call

try

not available

number unavailable

can t contact

not reach

busy line

tone soundfx

occupy

no connection

cellular phone

smartphone sfx

cell phone

cellphone sound effect

communication

telephony

engage

unable

interrupted signal

loop

loopable efx

repetitive

repeatable

repeat

incorrect

network error

mobile

off

wrong

caller

comm

hang up

hangup telephone

telecommunication

telecommunications

failure

fail fx

fail connection

indicate disconnect

indicate

indicator idea

disconnect audio

unreachable