https://www.spigotmc.org/resources/skoice-proximity-voice-chat.82861/?__cf_chl_jschl_tk__=986b333c8b33923d5ac9cd5c8e0c2ec59e8c6b70-1617642293-0-AXsmjnuWBYIXE_1iApzH8H_pCug1XQY7TG-RTuJ9vATqvXMtvTnCi0ZMmHB_BqUbq69MIBUV4TFsq9HL5PCSAI1W7oFYJTLhOsI4mgjV3QCB0DaXdSvFhCMS8EiZIgKgf9nWm6fOuKU2NrwkwYLarN0rCPH5hD0QVqwCSqsmAjFGUrTaQ9jLZ8tSph-FRwC2eZJTghoShN_C0ej3eQ7x0xn8Zovk8zXJxeJFZiWMvLG3JQ5Z5hcxSJXkgBJNjp6oMZalpJFX3RAD-joIChpwPQlmDC5d1-IFZ46hAbe2yGDlDhfsZfcyPnIBhL2uBkv6h_Xg94CyFZ3TLmQ8MrDl-WKMSeRKW_2nf_S2qLE2XsC6Z_GZFths8bcntbeLepwt87cfkkhw_HJBfTJO2V_Kgi8z4CZQjXqb7aPCQfED-hEt03iuB-NRqUY39SM4sWJDSg
this should be the plugin link.