I trust you are well,
Optic Fibre does not support or include Telephonic voice capabilities,
You will need to acquire a separate landline number voice usage.
If you require further assistance,
please send a message to our WhatsApp helpline: https://whatsapp.afrihost.com
or visit our Help Centre: https://help.afrihost.com/
or see our FAQ page: http://faq.afrihost.com