Configure Modem for VoIP

Job ID: 36158018

Budget: €8 – €30 EUR

Having issues recently with my VoIP phone. It is set up correctly but showing as account is not registered.

Background:
I have a 4g Huawei router with firewall disabled and recently the phone has been unusable. It will come on for an hour every day (not at any certain time)
Related categories: Linux Asterisk PBX Cisco VoIP Network Administration