[asterisk-users] asterisk server - no sound

[andre castro]

Thanks Anthony.

I did it on the server, according to
https://www.voip-info.org/wiki/view/port+forwarding

However after doing it, when running Asterisk I get the following message
sudo asterisk -vvvvvvr
No ethernet interface found for seeding global EID. You will have to set
it manually.
Unable to access the running directory (No such file or directory).
Changing to '/' for compatibility.

How and where can it be set?

My server ifconfig:

lo        Link encap:Local Loopback
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:65536  Metric:1
          RX packets:113895058 errors:0 dropped:0 overruns:0 frame:0
          TX packets:113895058 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:36041459269 (33.5 GiB)  TX bytes:36041459269 (33.5 GiB)

venet0    Link encap:UNSPEC  HWaddr
00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00
          inet addr:127.0.0.1  P-t-P:127.0.0.1  Bcast:0.0.0.0
Mask:255.255.255.255
          inet6 addr: ::2/128 Scope:Compat
          inet6 addr: 2a01:488:66:1000:5c33:846e:0:1/128 Scope:Global
          UP BROADCAST POINTOPOINT RUNNING NOARP  MTU:1500  Metric:1
          RX packets:158483849 errors:0 dropped:0 overruns:0 frame:0
          TX packets:272193853 errors:0 dropped:230 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:61233254724 (57.0 GiB)  TX bytes:106403959440 (99.0 GiB)

venet0:0  Link encap:UNSPEC  HWaddr
00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00
          inet addr:server.ip.add.r  P-t-P:server.ip.add.r
Bcast:server.ip.add.r  Mask:255.255.255.255
          UP BROADCAST POINTOPOINT RUNNING NOARP  MTU:1500  Metric:1



On 06/06/2017 05:09 PM, Antony Stone wrote:
> On Tuesday 06 June 2017 16:57:07 andre castro wrote:
> 
>> On 06/06/2017 04:36 PM, Antony Stone wrote:
>>>
>>> Tell us about your networking arrangement - are both phones and the
>>> Asterisk machine on the same network?
>>
>> Nop. They are in 2 different networks. The phones in one and the
>> Asterisk machine in another.
> 
> Okay, that is why you have audio between the two phones, then - they can see 
> each other directly, on the same network, and nothing is interfering with the 
> traffic between them.
> 
>>> Is there a router in between any of them?
>>
>> Yes. In the phones network.
>>
>>> Is there any NAT involved?
>>
>> Yes in the phones' network. They both have different private IP address
>> and one public IP.
> 
> Okay, I suspect that this NATting router is not passing the UDP packets from 
> the server back to the phones correctly, based on the SIP connection (when the 
> phone makes the call).
> 
> SIP is on UDP 5060; audio is on UDP 10,000 - 20,000.
> 
> If it's a Linux router, you need to make sure you are allowing FORWARDed traffic 
> which matches ESTABLISHED, RELATED.
> 
> If it's not a Linux router, you need to find out how to get it to support SIP 
> and RTSP.
> 
> 
> Good luck,
> 
> 
> Antony.
> 

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