[asterisk-biz] Vonage Alternatives?

[Mike Fedyk]

Peter Wemm wrote:
> On Monday 05 June 2006 17:41, Mike Fedyk wrote:
>   
>> They are 16 hops away from me in southern California and I
>> consistently get bad sound quality with them with connections through
>> SBC DSL or Comcast Cable.  I have had better experience with Voxee
>> which is further away and has higher latency.
>>     
>
> I dont know if it is significant or not, but my voice quality through 
> teliax improved considerably when I switched from iax to sip.
>
> I'm guessing that is because they can then do a handoff so that the 
> audio path goes direct from your asterisk box to teliax's provider's 
> softswitch.  If you use iax for voice, then the audio path goes to 
> teliax's iax system which then forwards it to their provider's 
> softswitch.  Going direct with SIP/rtp seems to mean less jitter, 
> clicking, etc and is an all-round much better experience to my ear.
>
> Amusingly, I don't seem to have the same problem with iax and sixtel.  I 
> guess teliax's iax servers are just more heavily loaded.  Or teliax's 
> iax systems and my asterisk box are out of version sync and are having 
> a disagreement over jitterbuffer protocol or something silly like that.
+1

Wow, I just changed everything over to SIP with teliax and the quality 
is much improved upon initial testing.