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geisj at pagestation.com
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 Posted: Fri Sep 11, 2015 1:00 pm Post subject: [asterisk-users] phones behind nat |
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I have a setup where I have polycom phones in an office, behind firewall,going out to a server located elsewhere. I have setÂ
nat=force_rport,comedia for my phones.
so if I call OUT to my cell I get audio both ways and the call is fine.
My issue is if I call phone to phone in the office the phone doesnt
even ring. The CLI shows I'm calling the correct extension like SIP/524.
I am using asterisk 11.19.0
Is there another setting to correctly to this type of calling?
Thanks,
Jerry |
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cursor at telecomabmex...
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| Posted: Fri Sep 11, 2015 1:09 pm Post subject: [asterisk-users] phones behind nat |
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On 9/11/15 12:59 PM, Jerry Geis wrote:
| Quote: | I have a setup where I have polycom phones in an office, behind firewall, going out to a server located elsewhere. I have set
nat=force_rport,comedia for my phones.
so if I call OUT to my cell I get audio both ways and the call is fine.
My issue is if I call phone to phone in the office the phone doesnt
even ring. The CLI shows I'm calling the correct extension like SIP/524.
I am using asterisk 11.19.0
Is there another setting to correctly to this type of calling?
Thanks,
Jerry
|
There are usually two issues that can cause this behaviour. One is that you do not have a correct "localnet" definition and the other is that you have directmedia=yes on your sip.conf.
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asterisk.org at sedwar...
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| Posted: Fri Sep 11, 2015 3:46 pm Post subject: [asterisk-users] phones behind nat |
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On Fri, 11 Sep 2015, Jerry Geis wrote:
| Quote: | My issue is if I call phone to phone in the office the phone doesnt even
ring. The CLI shows I'm calling the correct extension like SIP/524.
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The lack of sufficient connectivity to signal ringing suggests taking a
peek with wireshark may be fruitful as well as reviewing the configuration
of the endpoints.
Can you check the web page on the phones to confirm the IP addresses and
netmasks are as expected? (What you think your configuration does is less
important than what the phone thinks it does.)
I recently broke a lot of things between my office and my home when I
decided to split 192.168.0.0 with a 255.255.255.128 net mask.
I also recently broke a working configuration by running Asterisk and
OpenSIPS on 5060. The phones would ring but could not answer. Lost a lot
of time until I started confirming the really basic stuff and entered
'sudo netstat -a -n -p | grep 5060'
--
Thanks in advance,
-------------------------------------------------------------------------
Steve Edwards sedwards@sedwards.com Voice: +1-760-468-3867 PST
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