I solved this problem by changing the 127.0.0.1 in rtpengine startup config
into 10.109.247.90 which is the eth0 address of the rtpengine machine.
Now Kamailio successfully connect to the rtpengine daemon.
> 在 2015年12月22日，17:38，Zodiac <mozillaf...@bupt.edu.cn> 写道：
>
> Hi, I am very glad that you can answer me for that.
>
> I’ve already set modparam("rtpengine", "force_send_interface",
> “10.109.247.80”) in my kamailio.cfg from the very beginning.
>
> The port 7723 on 10.109.247.90 which rtpengine daemon runs is not blocked by
> firewall.
>
> There is nothing prompt out on command “kamctl fifo nh_show_rtpp all”
>
> There is nothing captured on "ngerp -W byline -d em1 port 5095” on Kamilio
> machine.
>
> There is an prompt “404 rtpproxy not found” on command “kamctl fifo
> nh_enable_rtpp ump:10.109.247.90:7723 1”
>
> What other reasons can there be for my case?
>
> Furthermore, 10.109.247.80(Kamailio) and 10.109.247.90(rtpengine daemon) are
> both private IP address, not public address. Dose this affect?
>
>
> This is the kamailio.cfg portion:
> <PastedGraphic-1.png>
>
>
> This is the rtpengine daemon startup config:
> <PastedGraphic-2.png>
>
>
>> 在 2015年12月21日，23:53，smititelu <stefan.mitit...@1and1.ro
>> <mailto:stefan.mitit...@1and1.ro>> 写道：
>>
>> Hi Zodiac,
>>
>> 1. Can you see your configured rtp node on: "kamctl fifo nh_show_rtpp all" ?
>> 2. Can you ngrep the commands being sent by kamailio to rtpengine?(on both
>> kamailio and rtpengine machine)
>> 3. Do you have some firewalling rules that may block that 7723 port?
>>
>> Stefan
>>
>> On 21.12.2015 17:45, Zodiac wrote:
>>> Dear friends,
>>> I am working on a program on Kamailio and rtpengine proxy. I am wondering
>>> whether can I set Kamailio and rtpengine daemon on different physical
>>> machines. For example, I set Kamailio on a machine with IP
>>> address:10.109.247.80, and launch rtpengine daemon on another machine with
>>> interface parameter as 10.109.247.90 and ng port 7723. I set parameter in
>>> Kamailio.cfg with modparam(“rtpengine”, “rtpengine_sock”,
>>> “udp:10.109.247.90:7723”).
>>>
>>> Unfortunately I got debug message like this:
>>>
>>> ERROR: rtpengine [rtpengine.c:1710]: send_rtpp_command(): can't send
>>> command to a RTP proxy
>>>
>>> ERROR: rtpengine [rtpengine.c:1746]: send_rtpp_command(): proxy
>>> <udp:10.109.247.90:7723> does not respond, disable it
>>>
>>> ERROR: rtpengine [rtpengine.c:1616]: rtpp_test(): proxy did not respond to
>>> ping
>>>
>>> And, I also tried to set Kamailio and rtpengine daemon in a same
>>> machine,and use modparam(“rtpengine”, “rtpengine_sock”,
>>> “udp:localhost:7723”). And Kamailio can work functionally under this
>>> situation. rtpengine daemon can receive ping message from Kamailio and
>>> rtpengine daemon can work as suspected. So for the later case, is it
>>> supposed that Kamailio be in the same machine with same localhost address?
>>> Otherwise, what’s the reason for my ERROR?
>>>
>>>
>>> ------------------------------------
>>> 北京邮电大学网络技术研究院
>>> 网络与交换技术国家重点实验室
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>>> +86 18810315790
>>> mozillaf...@bupt.edu.cn <mailto:mozillaf...@bupt.edu.cn>
>>> ------------------------------------
>>>
>>>
>>>
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> ------------------------------------
> 北京邮电大学网络技术研究院
> 网络与交换技术国家重点实验室
> 田军
> +86 18810315790
> mozillaf...@bupt.edu.cn <mailto:mozillaf...@bupt.edu.cn>
> ------------------------------------
>
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> sr-users@lists.sip-router.org
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------------------------------------
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网络与交换技术国家重点实验室
田军
+86 18810315790
mozillaf...@bupt.edu.cn
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