Is it possible to configure the routers this way?

We have 2 group of computers connected to 2 different routers. My question is it possible to supply both internet and sip data to a group of computers and only sip data to the other group?

On Sunday 22 March 2026 at 18:13:37, shafty wrote:

We have 2 group of computers connected to 2 different routers. My question
is it possible to supply both internet and sip data to a group of
computers and only sip data to the other group?

Please re-phrase your question, giving more detail about exactly what you are
trying to achieve.

I really cannot understand what you want from the question you have asked.

Antony.

–
Pavlov is in the pub enjoying a pint.
The barman rings for last orders, and Pavlov jumps up exclaiming “Damn! I
forgot to feed the dog!”

Isn’t this more of a networking quesiton then an Asterisk question?

If I understand you have two network and you want to restrict internet on one of them but still let them access sip services.

Are your 2 routers connected together ? If not, you could set a vpn and use internal addresses to register.

Or you have to redirect the external port to an internal adress through your routers.

Do you have firewalls ? It could easily filter which network can accces protocols and ports.

Hi,
Let me ask you this way: The asterisk server only needs internet access, the rest of the PCs just SIP exchange is enough. possible?

Hi
The purpose is 100% running the asterisk server with its clients merrily :slight_smile:

A basic lan network with some PC needs internet but some with limiting to SIP data exchange only. Need to achieve it as simple as possible. Thanks.

On Sunday 22 March 2026 at 18:59:56, shafty wrote:

A basic lan network with some PC needs internet but some with limiting to
SIP data exchange only. Need to achieve it as simple as possible.

On Sunday 22 March 2026 at 18:36:01, Dovid wrote:

Isn’t this more of a networking question than an Asterisk question?

I concur with Dovid.

Antony.

–
Warum können Seeräuber nicht den Umfang eines Kreises berechnen?
Weil sie Piraten…

Yes. Let’s say your internal network is 10.0.0.0/24

router one IP is 10.0.0.1

router 2 IP is 10.0.0.2

Router one has a firewall that blocks Internet connectivity to anywhere except the SIP provider

Set the “only sip” group of PCs to have a default gateway of 10.0.0.1

Set the “internet group” of PC to have default gateway of 10.0.0.2

Depending on your DHCP server you will need to do “default assignments” dynamically to the “group that PC’s normally go into” For example say most PC’s go into “sip only” then those get dynamically assigned with GW .1, a few PCs get into “internet” because they are special, all of those have reserved leases with a GW of .2

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Thanks Ted.