If its self-install as soon as they phoned you and said its ready, the physical work at exch is complete.
Install/put in place the filters for each phone/fax, join your adsl router to phone line(ie not thru the filter). Assuming its a telkom router(else you need to set up guess acc. settings)
Nxt step is to go to verification site and choose speed you with use.
It will ask you for the line number(phone number) + Order number.
It will run a short test, to see if line is stable, pass/succeed test and then tell you something like your line is now ready for use in 30-45min.
There after you get into your router settings and and change the account info to your own, ie
[email protected] + pwd and tada you on the net.
If it fails, this means something is wrong with the line, mebbe noisy, attenuation too much etc anyways in this case you call the help desk and tell them the self-install failed and they must forward the info to relevant people/fault log.
Note this is with the guest account that is auto-set in the router. For help with this process you can always just take phone to pc, and give em a call and they should be able to help you thru the process. Takes 3-7min to do and see if it fails. Uhm can't remember the web address for verification site, but it should be on the papper they give you at the Telkom shop.. else just phone them