Remote sip extensions

komodor

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Jul 22, 2010
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#1
Hello friends

I have a Pbx elastix on US with remote acess.

and in Brazil I have some extensions SIP that communicates with the Pbx on US

so the problem is that when I call to extensions they ring but when I answer the phone there is no voice.

I think i need to set endpoint configuration but I dont know how to do it because the pbx is on US and ext are on Brazil.

may someone helps me with this issue?



thank you.
 

eNoisy

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Jul 24, 2010
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#2
Are you going through any router/firewall on any of both sides?
Are you port forwarding RTP ports (10000-20000)?
 

komodor

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#3
I have this rule,


but still with no voice...
 

danardf

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Dec 3, 2007
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#4
Hi all.

At first, try to verify the rtp port (Like eNoisy said, 10000 to 20000 RTP on udp).
Second, try to put every nat informations using Freepbx, or using sip_nat.conf file.
Next, you must put nat=yes on each remote extensions. (Like into your config trunk)
Select the best choice about your codec.

Regards
 

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