We used iax for more than a year and moved to sip about 6 months
ago. The quality from termination providers seems much better now with sip.
Tom
At 09:38 PM 8/30/2006, you wrote:
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I have no NAT issues. My PBX is multihomed and the outside IP is
locked down for all except IAX and SIP ports.
With the current version of asterisk, which transport is better right now?
I am looking at 6-10 simultaneous calls over a half T1.
I am not asking about codecs here, I am asking about SIP vs. IAX if
the provider does either. (we are looking at testing Teliax next)
I have seen posts about jitter in IAX, so I am not sure if SIP might
be better to use right now.
Also, since IAX uses the same port for all of the calls, the call
separation has to be done higher in the OSI stack. I do not know if
this is better or worse or neither.
Thank You,
Steven BerkHolz
- MCSA - MCSE -
Manager of Information Systems
TESCO Group Companies
Fax. 248-836-5101
www.TESCOGroup.com
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