[Freeswitch-dev] Call to registered phone behind NAT

[Michael Jerris]

It's not ignoring the fs_path, it doesn't have one.  Check your nat related settings in your sip profile, specifically your ext-sip-ip, nat-acl and localnet-acl settings.  You would see the fspath in the contact and nat in the status if this was set correctly.

Mike

On May 23, 2010, at 1:01 PM, Oleg Khovayko wrote:

> Brian West wrote:
>> 
>> 
>> 
>> I really find that one hard to believe.  
>> 
> Hard to believe, but this is true:
> 
> 
> I have made PURE experiment.
> My friend has registered SIP-phone behind NAT in Ukraine.
> His registration:
> 
> Call-ID:        4a978b30 at 192.168.10.103
> User:           1012 at 192.168.1.5
> Contact:        "user" <sip:1012 at 192.168.1.136:1024>
> Agent:          AcctonVoIP/2.5
> Status:         Registered(UDP)(unknown) EXP(2010-05-23 14:27:20)
> Host:           olegh.ath.cx
> IP:             91.207.244.1
> Port:           1024
> Auth-User:      1012
> Auth-Realm:     olegh.ath.cx
> MWI-Account:    1012 at 192.168.1.5
> 
> 
> I tried call 1001 -> 1012, fs_cli prints:
> 
> 
> 2010-05-23 12:37:01.593320 [NOTICE] switch_channel.c:669 New Channel sofia/internal/sip:1012 at 192.168.1.136:1024 [2b79d969-8966-df11-ac63-005004c3cb7e]
> 
> I sniffed network traffic, FS tries connect to his LAN address from "Contact", not his real address:
> 
> olegh# tcpdump host'(192.168.1.136 or 91.207.244.1)'
> tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
> listening on xl0, link-type EN10MB (Ethernet), capture size 96 bytes
> 12:40:55.044208 arp who-has 192.168.1.136 tell deskpro.khovayko.com
> 12:40:55.544711 arp who-has 192.168.1.136 tell deskpro.khovayko.com
> 12:40:56.545145 arp who-has 192.168.1.136 tell deskpro.khovayko.com
> 12:40:58.546827 arp who-has 192.168.1.136 tell deskpro.khovayko.com
> 
> 
>> sofia profile xxx siptrace on
>> 
>> I will be you its NOT ignoring the fs_path you just can't see the packet leaving and since its TCP the far side nat I suspect has closed the nat translation thus you'll need to register more often or enable keep alives on the device.
>> 
>> /b
>> 
> 
> I tried to do this -- results as same as with tcpdump.
> My local phone has number 1001, IP=192.168.1.130, try to call 1012 (behind NAT, see registration above):
> 

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