Re: [Astlinux-devel] Recommendations for my architecture moving forward

[David K. <da...@ke...>]

I used to have 5061 open to anything, but I started to get attempts to
login and make calls, so I now restrict it to the Acrobits servers.  For
the iPhone itself I have to be connected to my home network either directly
to the WiFi or by VPN (I use Wireguard).  Acrobits (afaik) has no built-in
VPN.  I have not tried the Wireguard on-demand setting but it is possible
that might work.

I have not tried roaming between WiFi and Mobile.

David

On Sat, Nov 28, 2020 at 3:44 PM Michael Knill <
mic...@ip...> wrote:

> Hi All
>
>
>
> Thanks for responding.
>
> Bria is certainly the gold standard however I have been down the Acrobits
> path and had a full demo of what they can provide. They have a full white
> labelling solution and there provisioning system is pretty cool. Just point
> your phone to a QR code.
>
>
>
> David are you only opening up 5061 to the push server? If so then your
> iPhone must never directly register to your system externally?
>
> Also another question; can you roam between Wi-Fi and 4G while on a call?
>
>
>
> Regards
>
> Michael Knill
>
>
>
> *From: *David Kerr <da...@ke...>
> *Reply to: *AstLinux Developers Mailing List <
> ast...@li...>
> *Date: *Sunday, 29 November 2020 at 2:48 am
> *To: *AstLinux Developers Mailing List <
> ast...@li...>
> *Subject: *Re: [Astlinux-devel] Recommendations for my architecture
> moving forward
>
>
>
> I have had Acrobits Softphone installed on my iPhone for several years.  I
> don't use it a whole lot but it works well.  It has push notification for
> when the softphone is "in the background."  The way that works is that they
> have their own server that registers to your SIP port and when a call comes
> in their server generates a push to your iPhone and on receipt of that you
> open up the Softphone and somehow a handoff is done from their server to
> your phone.  Just recently I contacted their tech support to find out what
> IP addresses I should use for their servers (they have multiple) so that I
> didn't have to open up 5061 to everyone.  This is what I have in my custom
> rules...
>
>
>
> open_for_host_port()
>
> {
>
>   local host="$1"
>
>   local port="$2"
>
>   local type="$3"
>
>   local IFS=$'\n'
>
>   local IPV4="$(host -t A $host)"
>
>   local IPV6="$(host -t AAAA $host)"
>
>   local IP=""
>
>
>
>   for IP in $IPV4; do
>
>     IP="${IP##* }"
>
>     echo "[CUSTOM RULE] open port $port/$type for $host at $IP"
>
>     ip4tables -A EXT_INPUT_CHAIN -s $IP -p $type -m $type --dport $port -j
> ACCEPT
>
>   done
>
>
>
>   for IP in $IPV6; do
>
>     IP="${IP##* }"
>
>     echo "[CUSTOM RULE] open port $port/$type for $host at $IP"
>
>     ip6tables -A EXT_INPUT_CHAIN -s $IP -p $type -m $type --dport $port -j
> ACCEPT
>
>   done
>
> }
>
> open_for_host_port "all.sipis.acrobits.cz" "5061" "tcp"
>
>
>
>
>
>
>
> On Sat, Nov 28, 2020 at 10:17 AM Lonnie Abelbeck <
> li...@lo...> wrote:
>
>
>
> > On Nov 28, 2020, at 5:17 AM, Michael Keuter <li...@mk...>
> wrote:
> >
> >>
> >> Am 27.11.2020 um 22:46 schrieb Michael Knill <
> mic...@ip...>:
> >>
> >> Hi Devs
> >>
> >> Hoping that I can get some advice from you in determining my
> development efforts moving forward.
> >> As driven by Covid, I have an increased number of customers that want
> mobile softphones and I have lost at least one customer and likely more
> because I have not been able to provide this functionality.
> >>
> >> I am looking to use Bria which I believe is the gold standard and I
> sort of have push notification working on it. The problem is that Push
> Notification work best with multiple registration which is not supported
> with chan_sip.
> >>
> >> So I have two options I believe:
> >>      • Migrate to PJSIP
> >>      • Add Kamailio to Astlinux to sip in front of Asterisk
> >>
> >> Now 1) will certainly be the easiest however 2) is something that I
> would love to do as its going to be more secure with external connecting
> clients.
> >>
> >> Any comments would be greatly appreciated?
> >>
> >> Regards
> >> Michael Knill
> >
> > Hi Michael,
> >
> > I have similar thoughts and would be interested in a more universal
> solution as well.
> >
> > I have one big customer, where I use WireGuard plus mostly Linphone
> without Push Notifications.
> > And the customer is quite happy with it, although they are not using it
> excessively.
> >
> > I created a (combined) template for an IP-phone plus a softphone under
> the same extension, same CLID, but with different SIP account names (with
> chan_sip).
> >
> > I generated the dialplan (in the template as well) so that both phones
> ring parallel.
> >
> > Most depends how the mobile OS handles priority for the SIP client on
> the phone and the the sleep functions.
> >
> > For Push Notifications I found this:
> >
> > https://www.zoiper.com/en/tutorials/push-notifications
> > https://github.com/balusreekanth/ios-asterisk-push
> >
> > BTW: For simple notifications (only for my own phone) I use Pushover
> (works also via email) or prepaid SMS via Voipbuster.
> >
> > https://pushover.net
> > https://www.voipbuster.com/sms_rates
> >
> > Michael
>
> Has anyone tested "Acrobits Groundwire" or "Acrobits Softphone" ?
>
> It looks like many "custom" mobile UC apps are based on the Acrobits SDK.
>
> Lonnie
>
>
>
>
>
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