Only One Side of Voice Heard with External Sips!

tarnok

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Apr 20, 2009
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#1
Hey!

This is my first time here and I am learning about elastix for an office I am working at.
So far I seem to have configured and set up most things correctly, I have 5 Sip extensions, 4 internal and 1 external at my home, using linksys SPA941 handsets.

The 4 internal can call each other with no issues, clear sound both sides, They can also send and receive calls to the normal PSTN / outside world. I am happy with how it is set up. However my one external extension can receive and send calls (It registers with the server) but the external extension can only HEAR voice but not send it (one-way). I thought it was the elastix server and the NAT/router conflicting so I put the elastix server on the DMZ and still nobody was able to hear me from the external extension even though I could hear everyone I called.

Here is my sip.conf:
Code:
[general]
;
; jbenable=yes
; jbforce=yes

disallow=all
allow=ulaw
allow=alaw
context=from-sip-external
bindport = 5060           ; Port to bind to (SIP is 5060)
bindaddr = 0.0.0.0    ;all addresses on machine)
callerid = Unknown
tos=0x68
qualify=yes
and my sip_NAT.conf
Code:
nat=yes
externip=xx.xx.xx.xx
externrefresh=120
Can anybody help me please?
 

mattrh

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Jul 15, 2008
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#2
check your router at home? do you have any type of content filtering?
 

Lou1z

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Aug 20, 2008
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#3
that sounds like a nat issue.
you need to put your localnet into sip_nat.conf

for example

nat=yes
externip=111.111.111.111
localnet=192.168.1.0/255.255.255.0
 

tarnok

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#4
Lou1z said:
that sounds like a nat issue.
you need to put your localnet into sip_nat.conf

for example

nat=yes
externip=111.111.111.111
localnet=192.168.1.0/255.255.255.0
The localnet= seems to have done the trick! Thank you!
people can now hear me when I speak to them from my external extension!

In the morning I need to remove the server from the DMZ and hopefully have the port forwarding working correctly!

Thank you again! Can one of the mods rename the thread with [Solved] ?
 

tarnok

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#5

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