Hi Anthony, I appreciate all the hard work yourself, Brian, Mike and all the other developers have put in FS! By no means am I discounting any of it, it's truly invaluable. Our "philosophy" has always been to use DNS where available, so that we're not worrying about re-configuring a bunch of devices if IP addresses change and this obviously goes to setting the phones up as well to use DNS for the proxy and registrar fields. And it allows us to do fancy things, like split-view DNS, where if a phone is taken off-site and we want it to remotely register to FS, it will get the public IP address of the FS server, rather than the private, without re-configuring the phone. If I'm understanding your email correctly, you're saying we need to use all IP or all DNS for SLA, is that correct? AFAIK, we're using all DNS, but perhaps I'm missing something somewhere. How would we be able to use the DNS name of our SIP domain in phones (rather than IP) and ensure SLA works for both incoming/outgoing calls? Is that possible at this point in time or do we need to use the IP addresses in the proxy field on the phone if we want to use SLA? Thanks for all your help. Gabriel Kuri On Mon, Mar 1, 2010 at 11:42 AM, Anthony Minessale <anthony.minessale@gmail.com> wrote:
you can use names if you use *all names* you just can't mix, but all IP is much faster and safer because there is no need to do constant dns lookups on something that never changes anyway, you can easily alias your profile to a friendly name, it also makes it more portable.
On Mon, Mar 1, 2010 at 1:30 PM, Yehavi Bourvine <yehavi.bourvine@gmail.com> wrote:
Hello Anthony,
2010/3/1 Anthony Minessale <anthony.minessale@gmail.com>
I am trying my best not to be completely annoyed at the "somewhat limiting" remark after going over the countless hours I spent making sure this feature work and then being patient with 2 people insisting there was a bug when they both shared an identical misconfiguration.
"somewhat limiting" was because my experiments up to now with Polycom and SIP/TLS were successfull with domain names only. However, I am going to inverstigate this further to see how this can work with IP only.
In the meantime I've documented the required configuration under the Polycom wiki page.
If we started doing DNS lookups everywhere so hostname could be interchanged with IP we would have large blocking all over the place when the DNS was not available and horribly messy code doing all the lookups. There was already an experiment called project asterisk that proved the flaws in this design approach.
I think that's why some of us move from Asterisk to FreeSwitch. I also preffer less to no DNS lookups on a critical system which must work even when there are some kinds of communication problems.
Thanks, __Yehavi:
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