ERROR:I'm trying to delete a VIA but it's not mine!

Hi,

I've just starting using siproxd as it appears to be the ideal solution
to my network setup.

We have a small office and are behind a NAT router and want to use
several hardware phones and Ekiga in our office.

Everything is routed through our main office server which runs siproxd
but it does not do the NAT, this is left to our ADSL Modem which also
DNATs ALL traffic back to this server for incoming connections.

On this server the external network is connected to via eth0 and the
internal via eth1. The external subnet (to talk to the router) is
192.168.0.0/24 and the internal is 192.168.112.0/24.

My /etc/siproxd.conf is as below.

Through trial and error, I have found that I need to connect via an
outgoing proxy in order to make things work. Not doing so will give the
above errors (as per the subject). Unfortunately, recently I've found
that even doing so still appears to log the occasional error about
deleting a VIA that is not mine, even tho' the full error lists the IP
address specified in host_outbound. I would have through that siproxd
should consider the host_outbound IP to be "one of it's own!"? Also I
found I needed the three part outbound proxy for things to work
reliably. This was also through trial and error. I would have thought
that no proxy should be needed here and that I SHOULD be able to connect
siproxd directly to the internet due to the fact that all incoming
connections are DNAT'ed back to the server from the firewall? Or is
there perhaps a problem in that the outgoing packets from the server are
NATed by the router? If so should I try to disable this? (e.g. move the
NATing to the server?) From what I've read this does not appear to be a
problem.

The phones in question are not setup to use STUN or any other NAT
technique. They are just configured to use an outgoing proxy which
points to the internal machine.

I have another problem relating to a message "Unable to Parse SIP
message. This is not good." but I'll write about that in another mail.
If someone could say what they would need from a debug log for helping
to fix this I could make sure this is done correctly first post. Also
any advice as to what to blank out would help!

Generally I find that even when things work for the most part, I will
have to reset all the phones once a day which is very annoying!

I am using the latest snapshot build of siproxd.

FWIW I'm connecting to Gradwell's VOIP service.

I know this list does not have much traffic so if there is a better way
to request some help then please let me know!

Thanks.

Col



if_inbound  = eth1
if_outbound = eth1
host_outbound = <OUR EXTERNAL STATIC IP>
hosts_allow_reg = 192.168.0.0/16
sip_listen_port = 5060
daemonize = 1
silence_log = 1
log_calls = 1
user = siproxd
registration_file = /var/lib/siproxd/siproxd_registrations
autosave_registrations = 300
pid_file = /var/run/siproxd/siproxd.pid
rtp_proxy_enable = 1
rtp_port_low  = 7070
rtp_port_high = 7089
rtp_timeout = 300
rtp_dscp = 46
rtp_input_dejitter  = 100000
rtp_output_dejitter = 100000
default_expires = 600
debug_level =      0x00000004
debug_port = 0
outbound_domain_name = lon-pbx-3.gradwell.net
outbound_domain_host = nat1.gradwell.net
outbound_domain_port = 5082
pi_shortdial_enable = 0
pi_shortdial_akey = *00
pi_shortdial_entry = 17474743246
pi_shortdial_entry = 17474745000


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