2006年7月1日 · what is the difference between G711a and G711u ?which is better im usinginternode 512/128spantalk, sipme, brown bearbillion 7401vp

2010年3月31日 · What about the difference between G.711a and G.711u? Hi Craig, G711a and G711u are comparable in call quality, one main difference is that G711u is used mainly in USA …

2006年10月30日 · HI I always had poorer quality calls with OZtell using g729 for some reason over other sip servers on the same codec.Last week I changed it to G.711u and have b

2006年5月28日 · G.711u is used within US Select G.711u *only* if you are making lots of international calls to US Why? Within Australia the telco interconnects are mostly ISDN - and …

2005年1月29日 · Partly is is down to the fact that G.711u (mu-law) is primarily used in the USA and G.711a (a-law) is used in Europe.-----I hope this clears it up, there shouldn't be a quality …

2006年11月27日 · The Elite Geek writes... alaw is used by Telstra and Optus and the likes. Correct, uLaw is not used in Australia only on equipment that comes from SE Asia or the USA, …

2008年1月31日 · From what I've read G.711u is in use in North America and Japan while G.711a is used in Europe and the rest of the world. G.711a was designed to be easier to process by …

2022年8月31日 · I remember 711a was rather rough like you're describing and we went via 711u to 723. 711u is for American networks due to their coding. It sound coarse when connected to …

2010年8月1日 · Update : I asked Freecall to adjust the settings on their end, to turn off Echo Cancellation and Comfort Noise, and my modem will now handshake at 2400 bps, but the …

2016年3月27日 · In fact, all codecs with the exception of G711a and G.711u are lossy, so transcoding is an all-round blight. The reason I'm all for an opus solution is because I've added …