One of the possible reason of VoIP issues is the modem settings that needs to be update remotely by our technical team. Send us your details so we can perform initial test to better understand the situation.   Regards,     ... View more

Extensive testing, hardware resets etc - they eventually replaced my modem - been fine since ... View more

Hi @Flatwhitefilly,   We have responded to you on another thread. Kindly check our response and leave a comment on the said thread once you're done with the steps we provided for you.   Regards, ... View more