We use TWTelecom (NC), and the SIP trunks are available. We don't
use the service however, so I can't be much help. We decided to
continue using our PRI because I wanted to control echo
cancellation. (6Mb EIS, 2 PRI's, and 10Mb NLAN). I will say I am
extremely happy with their service. We get a couple hurricanes
through the year, and their service never fails.
I was told that Asterisk was supported when we looked at the
service. That It was just a SIP user and Asterisk should register to
it. I would assume that they would honor the QoS value in the
header. since they are the next hop, they may assign there own value
to the packet. They should be able to let you know, if you cal tech
support.
I know the QoS value is honored on our NLAN link (Point to Point
between locations).
I would be interested to see how you like the service, if you end up
evaluating it.
Forrest Beck
[EMAIL PROTECTED]
www.shift8.biz
On Oct 8, 2007, at 4:51 PM, Erik Anderson wrote:
I am currently using a T1 PRI from TWTelecom for DID and outgoing
calls, but I recently discovered that they're offering call
termination/origination over SIP trunks in my area now. If they could
deliver these SIP trunks to me over a guaranteed-QoS circuit, this
would be of great interest to me. We're already using a DS3 circuit
from TW for our internet uplink, so I'd imagine it wouldn't be
difficult for them to honor the QoS flags we set on the SIP/RTP
packets.
Anyway - has anyone had any experience with Time Warner's SIP trunks?
Officially it seems that they only support CCM and Avaya PBXs, but I'd
imagine asterisk could be massaged into working just fine. Thoughts?
I'm currently negotiating with our TW Sales Rep. to see if they could
provision a few test DIDs on a SIP trunk so I can verify
compatibility, so I *should* hopefully have answers soon for many of
these questions.
Thanks!
-erik
--
Erik Anderson
http://andersonfam.org
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