Re: [Siproxd-users] Configuration help needed for Cisco 7905

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The siproxd debug log may reveal more details on why a 408 Request Timeout
response is returned..

On 04/07/2013 09:54 AM, Jeremy Malcolm wrote:
> My configuration is like this one:
> 
> http://siproxd.sourceforge.net/siproxd_guide/siproxd_guide_c7s3.html
> 
> However my phone is different; it's a Cisco 7905.  The relevant settings that the phone allows me to configure are these:
> 
> UID	 cisco
> PWD	 mypassword
> Proxy	 my.sip.server.net
> SIPRegOn     1
> SIPRegInterval	 3600
> StaticIP    192.168.15.122
> OutBoundProxy	 192.168.15.200 [my siproxd machine]
> StaticRoute    192.168.15.1 [my dumb masquerading router, with siproxd set as the DMZ]
> 
> Here is my configuration for siproxd:
> 
> if_inbound  = eth0
> if_outbound = eth0
> host_outbound = name-that-resolves-to-my-external-ip.net
> 
> It doesn't work, here is what happens:
> 
> 15:31:35 INFO:siproxd.c:233 siproxd-0.8.1-53 i486-pc-linux-gnu starting up
> 15:31:35 INFO:plugins.c:112 Plugin 'plugin_logcall' [Logs calls to syslog] loaded with success, exemask=0x40
> 07:31:35 INFO:rtpproxy_relay.c:121 Current thread stacksize is 8192 kB
> 07:31:35 INFO:sock.c:131 bound to port 5060
> 07:31:35 INFO:siproxd.c:344 siproxd-0.8.1-53 i486-pc-linux-gnu started
> 07:31:57 INFO:plugin_logcall.c:126 Outgoing Call: ci...@my... -> 888...@my... [Req: 888...@my...]
> 07:31:57 INFO:plugin_logcall.c:126 ACK Call: ci...@my... -> 888...@my... [Req: 888...@my...]
> 
> Also by using ngrep I see this:
> 
> interface: eth0 (192.168.15.0/255.255.255.0)
> filter: (ip or ip6) and ( port 5060 )
> #
> U 192.168.15.122:5060 -> 192.168.15.200:5060
> REGISTER sip:my.sip.server.net SIP/2.0.
> Via: SIP/2.0/UDP 192.168.15.122:5060.
> From: sip:ci...@my...;tag=3840067541.
> To: sip:ci...@my....
> Call-ID: 4035595390@192.168.15.122.
> CSeq: 1 REGISTER.
> Contact: Jeremy Malcolm <sip:cisco@192.168.15.122:5060;transport=udp>;expires=3600.
> User-Agent: Cisco-CP7905/1.01-030807A.
> Allow: ACK, BYE, CANCEL, INVITE, NOTIFY, OPTIONS, REFER, REGISTER.
> Content-Length: 0.
> .
> 
> #
> U 192.168.15.200:5060 -> 192.168.15.122:5060
> SIP/2.0 408 Request Timeout.
> Via: SIP/2.0/UDP 192.168.15.122:5060.
> From: <sip:ci...@my...>;tag=3840067541.
> To: <sip:ci...@my...>.
> Call-ID: 4035595390@192.168.15.122.
> CSeq: 1 REGISTER.
> Content-Length: 0.
> .
> 
> #
> U 192.168.15.122:5060 -> 192.168.15.200:5060
> INVITE sip:888...@my...;user=phone SIP/2.0.
> Via: SIP/2.0/UDP 192.168.15.122:5060.
> From: Jeremy Malcolm <sip:ci...@my...>;tag=816758886.
> To: <sip:888...@my...;user=phone>.
> Call-ID: 2441701698@192.168.15.122.
> CSeq: 1 INVITE.
> Contact: Jeremy Malcolm <sip:cisco@192.168.15.122:5060;transport=udp>.
> User-Agent: Cisco-CP7905/1.01-030807A.
> Allow: ACK, BYE, CANCEL, INVITE, NOTIFY, OPTIONS, REFER, REGISTER.
> Expires: 300.
> Content-Length: 262.
> Content-Type: application/sdp.
> .
> v=0.
> o=cisco 15826 15826 IN IP4 192.168.15.122.
> s=Cisco 7905 SIP Call.
> c=IN IP4 192.168.15.122.
> t=0 0.
> m=audio 16384 RTP/AVP 18 8 0 101.
> a=rtpmap:18 G729/8000/1.
> a=rtpmap:8 PCMA/8000/1.
> a=rtpmap:0 PCMU/8000/1.
> a=rtpmap:101 telephone-event/8000.
> a=fmtp:101 0-15.
> 
> #
> U 192.168.15.200:5060 -> 192.168.15.122:5060
> SIP/2.0 408 Request Timeout.
> Via: SIP/2.0/UDP 192.168.15.122:5060.
> From: Jeremy Malcolm <sip:ci...@my...>;tag=816758886.
> To: <sip:888...@my...;user=phone>.
> Call-ID: 2441701698@192.168.15.122.
> CSeq: 1 INVITE.
> Content-Length: 0.
> .
> 
> #
> U 192.168.15.122:5060 -> 192.168.15.200:5060
> ACK sip:888...@my...;user=phone SIP/2.0.
> Via: SIP/2.0/UDP 192.168.15.122:5060.
> From: Jeremy Malcolm <sip:ci...@my...>;tag=816758886.
> To: <sip:888...@my...;user=phone>.
> Call-ID: 2441701698@192.168.15.122.
> CSeq: 1 ACK.
> User-Agent: Cisco-CP7905/1.01-030807A.
> Content-Length: 0.
> 
> Interestingly there is no sign of "name-that-resolves-to-my-external-ip.net" above.  I have tried running a similar command on my.sip.server.net (because it's my own SIP server running yate), but it never sees anything.
> 
> Also interestingly, I have sip softphones on the same network which work fine, even without using siproxd as the proxy.  I guess they are a bit smarter about NAT, and can work fine even though my router does not have a sip ALG built-in.
> 
> Any help appreciated...
> 
> PS. Public IP addresses/domains have been changed for privacy/security reasons.
> 
> --
> Jeremy Malcolm PhD LLB (Hons) B Com
> Internet and Open Source lawyer, consumer advocate and geek
> host -t NAPTR 5.9.8.5.2.8.2.2.1.0.6.e164.org|awk -F! '{print $3}'
> 
> 
> 
> 
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