Mu-law is the standard for North America and Japan. Most of Europe uses A-law.
G.711 is the codec that provides the highest voice quality, and uses the most bandwidth. G.729 is the next highest quality codec and can use substantially less bandwidth than G.711.
Both are common. I would not assume you are using one over the other. It is easy enough to check and verify.
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.