[asterisk-biz] Bypass Hotel hotspot login page for IP Phone

[Alexander Harrowell]

On Thursday 29 October 2009 15:30:59 Alex Balashov wrote:
> (Works if your laptop is Linux:)
>
> I would connect the IP phone to your laptop via a switch.  Plug your
> laptop into same switch.  Plug cable going into hotel jack into switch
> as well.
>
> Set up a virtual subinterface (i.e. eth0:1) on a /30 with your phone
> on the other side, i.e. 192.168.200.1/30 (laptop) and 192.168.200.2/30
> (phone).  Set 192.168.200.1 to be your phone's default gateway.
>
> Then, set up other interface on laptop (eth0) as per normal to connect
> to hotel, e.g. acquire a DHCP lease on it.
>
> Enable IP forwarding:
>
>     echo 1 > /proc/sys/net/ipv4/ip_forward
>
> Then, NAT your phone's traffic out of your laptop.  From the hotel
> router's point of view, it will appear to be coming out of your laptop:
>
>     iptables -A POSTROUTING -o eth0 -s 192.168.200.0/30 -j MASQUERADE
>
> This will put you behind two layers of NAT from the point of view of
> your service provider/PBX/whatever, but if the reregistration
> intervals are frequent enough, OPTIONS pings are turned on
> (qualify=yes if Asterisk is the UAS), and the upstream NAT gateway
> isn't ridiculous, it should work - certainly enough to reliably make
> calls out.

You could just pay the roaming charges, as well. Or string a HF antenna round 
and round the building under the eaves and use single sideband.

(Sorry. I agree this is neither development, business, nor very Asterisk-
related.)
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