Mweb's inability to communicate with its customers!

As a layman I reported the following query:: Tuesday 28 July 2020, 10:43AM Hi, My Mweb talk account M*** has been running since 23 Oct 2018 and now it reflects that it's "NO REGISTERED" My account is up to date but I cannot make any outgoing calls. Please help. I believe this service has been replace - please put me on the new service ASAP I do need to make call. This is the response I get: MWEB Help, Thursday 30 July 2020, 11:49AM Hi Jacob Can you please ensure that you are using the correct sip server. Please use SIP server: sip.mweb.co.za SIP account/username: the MWEB VoIP number Port 5060 QUERY REFERENCE:MWB ***1 As a layman, what the hell am I suppose to do with this!!!!!