Cary Fitch ca...@usawide.net writes:
Is there a plain 64K codec that would simply pass through the SIP server and
be handed off to a PRI or phone co. trunk on a T1 on the other side of the
SIP server? Digital 64K telco sounds very good as a phone conversation.
You can't get a guaranteed
I am not sure what the problems are and the reasons for the basic 64K modems
used in VOIP are. I understand the compressed codecs that get the bandwidth
down to 20-30 K. And perhaps the 64K units give much better potential audio
than you would get on a normal POTS line.
But, as phone circuits
On Thu, 2009-11-12 at 08:53 -0600, Cary Fitch wrote:
Digital 64K telco sounds very good as a phone conversation.
Digital 64k audio coming across a T1 is essentially identical to the
ulaw codec in VoIP. Digital 64k audio coming across an E1 is
essentially identical to the alaw codec.
--
Jared
On Thu, 12 Nov 2009, Cary Fitch wrote:
I am not sure what the problems are and the reasons for the basic 64K modems
used in VOIP are. I understand the compressed codecs that get the bandwidth
down to 20-30 K. And perhaps the 64K units give much better potential audio
than you would get on
