Download PortSIP from the app store or play store
Important Factors
e.g.
Username: john.doe_clevertel.co.za
Password: ***********
Domain: voice.clevertel.co.za
our username is an email used to register a specific extension or user on our PBX System.
Always replace @ with _ when registering your smartphone or IP Phones/ IP Deskphone.
Setup codec for voice quality
Step 1:
Select Settings Icon
Step 2:
Select Codecs
Step 3:
Uncheck every audio Codecs, besides G.729
