Gary Luca <garyluc...@gmail.com> wrote on 15-07-2010 05:02:40:
> Ok. So I just got a whole TON of replies with questions to answer. Here
goes:
>
> Nathaniel...
>
> DNS/DHCP at the remote site are handled by the Westell ADSL2 modem.
> It deals out just IP, Subnet mask, gateway (itself) and DNS (also
> itself). DNS relays to what I imagine are Verizon DNS servers. The
> relavent DNS records on the local network (in Microsoft DNS Server)
> are as follows:
>
> spadafora4senate.com
> mal-pbx (A) 172.16.17.45
> spadafora4senate.com (NAPTR) [2][0][S][SIP+D2U]<Reg Exp>[_sip._
> udp.spadafora4senate.com.]
> spadafora4senate.com (NAPTR) [2][0][S][SIP+D2T]<Reg Exp>[_sip._
> tcp.spadafora4senate.com.]
As far as I know you can skip the NAPTR's, I have been running without
them for years.
>
> _tcp.spadafora4senate.com
> _sip (SRV) [200][1][5060] mal-pbx.spadafora4senate.com.
> _sips (SRV) [300][1][5060] mal-pbx.spadafora4senate.com.
>
> _udp.spadafora4senate.com
> _sip (SRV) [100][1][5060] mal-pbx.spadafora4senate.com.
>
These are the DNS records you use on the central site, that's why your
Polycoms work locally.
You need something similar on the remote site, that's what's missing.
> Doug...
>
> Thank you for the link regarding FTP. Do you know of any place
> where I can find detailed instructions on how precisely to configure
> sipX for whatever it needs in order for FTP to work for phone
> provisioning? On the local network I use TFTP, which I don't mind
> because it is a secure network. For the REMOTES i'd rather use FTP
> as it incorporates authentication.
>
> Tony...
>
> I actually thought it WAS a DNS issue for a while. I looked through
> the wiki and everything I could find about DNS considerations for
> sipX and nothing mentioned anything about external DNS (that I could
> see). So, being fairly new to the SIP world, I assumed the only
> resolution that had to be done by the remote phone was in regards to
> the Outgoing Proxy. I figured it just contacted the Outgoing Proxy
> and that acted as the middle man for everything, not requiring the
> phone to have to do any other DNS resolution or anything. The
> proxy, being on the local network, would resolve everything to the
> local DNS and just make everything work for the remote user. It
> seemed to make sense, but my limited knowledge of the inner workings
> of the relationship between the remote, the proxy, and the registrar
> left me without a DEFINITE answer.
>
> So at that point, with the phones just NOT registering at all, it
> was clear that it could be ANYTHING. My sipX config could be wrong.
> I could have screwed something up with the NAT traversal features.
> It could have been a DNS issue. It could have been a phone issue.
> So I had to narrow it down. That's when I installed x-lite. And
> within like a MINUTE, I had it connected to sipX and able to make
> and receive calls. There was NO VPN involved or anything. Just
> straight over the internet through a NAT on both ends. Here are the
> settings I used:
>
> General
> User ID: x703
> Domain: spadafora4senate.com
> Password: *********
> Display name: Gary Luca
> Authorization name: [blank]
>
> Register with domain and receive calls: [checked]
> Send outbound via: Proxy - Address: myhostname.no-ip.org
Get x-lite working without "Send outbound via Proxy".
By enabling "Send outbound via Proxy" x-lite will register via the A
record of myhostname.no-ip.org.
If "Send outbound via Proxy" is disabled x-lite will try to resolve the
SRV records for spadafora4senate.com (or was that spada4a4senate.com ;-)
This is also the method the Polycom's will use.
Now you need to create the corresponding SRV records somewhere so that
x-lite and polycoms on the remote site can register via SRV records:
_tcp.spadafora4senate.com
_sip (SRV) [200][1][5060] myhostname.no-ip.org
_sips (SRV) [300][1][5060] myhostname.no-ip.org
_udp.spadafora4senate.com
_sip (SRV) [100][1][5060] myhostname.no-ip.org
This can be done by defining the SRV records on your internet dns-server
(ISP)
or setting up a DNS at the remote site or ... I don't know your setup
enough to give the best advise.
> Dial plan: #1\a\a.T;match=1;prestrip=2;
>
> Topology
> IP Address: Use local IP address
> STUN Server: Discover server
> Enable ICE: [unchecked]
>
> Manually specify range: [unchecked]
I think this is the port range (don't have x-lite running), normally the
port range
is limited to keep the firewall rules simple and not too open.
It is normally limited to ports 30000-31000, a smaller range is also
possible.
>
> Presence
> Mode: Peer-to-peer
> Poll time: 300
> Refresh interval: 3600
>
> Transport
> Signaling transport: UDP
>
> Advanced
> Reregister every: 3600 seconds
> Minimum time: 20 seconds
> Maximum time: 1800 seconds
>
> Enable session timers: [unchecked]
>
> Send SIP keep-alives: [checked]
> Use rport: [checked]
> Send outgoing request directly to target: [checked]
>
> So if what I assuming about the proxy being the middle man is wrong
> and what you are saying about the remote needing to resolve the SRVs
> itself is correct, then I have absolutely NO idea why x-lite is
> working. But it is. If you want to email me directly (outside of
> the list), I'll even set you up with a test user on my system so you
> can configure x-lite or any other manually configured phone (soft or
> hard) and evaluate the results.
>
> Dale...
>
> The phone doesn't list in the Registrations page. On the phone
> interface, the little "phone" icon next to each of the two line
> buttons is "hollow" indicating that the line did not register (not
> sure how familiar you are with the Polycom display). Calls to the
> phone fail to make it ring.
>
> Thank you all. Let me know if I can clarify anything further. I
> look forward to your thoughts
>
> -G
>
>
>
> --
> Gary J. Luca Jr.
>
> 781-333-8087
> http://www.linkedin.com/in/garylukes
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