[Freeswitch-dev] Help: how to disable dynamic RTP mapping?

[Anthony Minessale]

run freeswitch -nonat


On Fri, Apr 22, 2011 at 5:31 PM, Oleg Khovayko <khovayko at gmail.com> wrote:
> Hi,
>
> My FreeSWITCH machine is located behind the NAT-device.
>
> When I receive incoming call, I see 10 secs delay between I picked up
> handset and voice connection establishing.
> During these 10s, caller hears long beeps, as same as "ringing" signal.
>
> I investigated problem, and found: after recipient pick up handset,
> FreeSWITCH tried dynamically map two UDP ports for RTP-connections.
>
> I use Fios router from Verizon, and I assume, it slowly adding dynamic
> port mapping. It adds one RTP port per 5s.
> So, when FS dynamically maps both ports, it loose 10 seconds (5+5). Log
> follows.
>
> I have added static rule into router -- map UDP ports 20000~25000 to FS
> box. And, in the FS_box, I added into file
> ./autoload_configs/switch.conf.xml
>
> <param name="rtp-start-port" value="20000"/>
> <param name="rtp-end-port" value="25000"/>
>
> But, anyway, FS tries dynamically assign ports for each income call, and
> lost 10s every time.
>
> Please suggest, how to disable dynamic port mapping, and use static port
> range mapping (20000-25000) only?
> I assume, this will increase speedup of my system.
>
> Thanks,
>
> Oleg
>
>
>
> 2011-04-22 18:14:45.590723 [DEBUG] switch_channel.c:2813
> (sofia/internal/sip:1001 at 192.168.1.151:5060) Callstate Change RINGING ->
> ACTIVE
>
> . . . .
> 2011-04-22 18:14:45.750984 [DEBUG] switch_core_session.c:1116 Send
> signal sofia/internal/sip:1000 at 192.168.1.152:5060 [BREAK]
> 2011-04-22 18:14:45.750984 [DEBUG] switch_core_session.c:1288 Session 57
> (sofia/internal/sip:1000 at 192.168.1.152:5060) Locked, Waiting on external
> entities
> <5s delay>
> 2011-04-22 18:14:50.018621 [DEBUG] sofia_reg.c:1765 Changing expire time
> to 109 by request of proxy sip:callcentric.com
> 2011-04-22 18:14:50.209565 [DEBUG] switch_nat.c:502 mapped public port
> 20794 protocol UDP to localport 20794
> 2011-04-22 18:14:50.341416 [DEBUG] sofia_reg.c:1765 Changing expire time
> to 104 by request of proxy sip:callcentric.com
> <5s delay>
> 2011-04-22 18:14:55.213775 [DEBUG] switch_nat.c:502 mapped public port
> 20795 protocol UDP to localport 20795
> 2011-04-22 18:14:55.213775 [DEBUG] sofia_glue.c:3001 AUDIO RTP
> [sofia/external/2404760839 at 66.54.140.46] 192.168.1.5 port 20794 ->
> 204.11.192.22 port 60140 codec: 0 ms: 20
> 2011-04-22 18:14:55.213775 [DEBUG] switch_rtp.c:1623 Starting timer
> [soft] 160 bytes per 20ms
>
>
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-- 
Anthony Minessale II

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