Would be great to have OS level integration for voip. I would look at Opus as the codec - it's great. I think latest version of Mumble and WebRTC both use Opus?
On Mon, Jul 20, 2015 at 12:15 PM, Craig Harper <[email protected]> wrote: > Hi Everyone > > I would like to start a discussion on VoIP and Ubuntu Touch Phones. > > I have been in the VOIP industry for many many years, and there is always > common problems with VoIP most of which can be other come one way or > another. But when it comes to mobile devices we have a few more thing to > take into consideration and this can only be done from the Operating System > rather than a applications. > > So I would like to contribute some ideas and start a discussion about > VoIPs future on the Ubuntu Touch platform. > > > Quality > > Today we have more and more bandwidth available so its not an issue its > really a question of priority. Just like when you make or receive a call, > your GMS has priority over your speaker. When you make or receive a VoIP > call your call should have priority over your data, simple things can be > done to allow this to happen through API to suspend other applications data > for example downloads, there is no point in downloading updates when your > on the phone call, or downloading emails. This could be the greatest > benefit. > > Native VOIP over VOIP Application > > I will say here, Native VOIP is always the way to go, it can have more > integration with Operating System, it could be accessed by many > applications and the benefits of things being open source the collective > efforts can be focused on making the perfect VoIP experience, rather than > lots of apps not quite making the mark, because they don't have the > integration with the OS needed to provide quality. > > Echo Cancellation > > This is a must have to be build into any VoIP Client, Android also have a > Native VoIP Client (Great Idea) but still today no Echo Cancellation even > after so many years. (I wonder if GSM companies have any influence over > this) > > NAT (Network Address Translation) > > One of the biggest problems we have today and foreseeable future is > Network Address Translation this has come along way over the years and VOIP > networks have become better at handling the issues, but making sure the > VOIP Client has STUN/ICE support will allow calls work in most network > topologies. > > Codec Support > > This part i know this is a more of a complicated issue, as there is a > world of difference licenses, there are now open source version, codecs are > so important to help reduce quality issues, the smaller your packets the > easier they are going to reach there destination uninterrupted. Two of the > most commonly used these days are g729 and g722, with g729 using a little > as 9K and g722 using 14K but give providing wider bandwidth sound give us > HD quality. > > > Thanks for your time > > > -- > Mailing list: https://launchpad.net/~ubuntu-phone > Post to : [email protected] > Unsubscribe : https://launchpad.net/~ubuntu-phone > More help : https://help.launchpad.net/ListHelp > >
-- Mailing list: https://launchpad.net/~ubuntu-phone Post to : [email protected] Unsubscribe : https://launchpad.net/~ubuntu-phone More help : https://help.launchpad.net/ListHelp
