[Freeswitch-users] Failed Registration [908]

[Paul Muaddib]

Hi,

can someone please look at it and tell my what I am doing wrong?

NOTICE] sofia_reg.c:448 Registering sip-trunk.telekom.de
[WARNING] sofia_reg.c:484 Timeout Registering sip-trunk.telekom.de
[WARNING] sofia_reg.c:505 sip-trunk.telekom.de Failed Registration [908],
setting retry to 30 seconds.

My setup:
########

I have a static IP address for my router. My router does not have UPnP or
NAT-PMP.
Phones and Freeswitch server are on the same local network. The local
network is behind NAT

PHONE -> FS -> NAT -> Public Internet
I only want to connect to the PSTN via my sip gateway provider.

According to this manual I did the following setting:
https://freeswitch.org/confluence/display/FREESWITCH/NAT+Traversal

vars.xml
######

<X-PRE-PROCESS cmd="set" data="external_rtp_ip=X.X.X.X“/>
<X-PRE-PROCESS cmd="set" data="external_sip_ip=X.X.X.X"/>

internal.xml
#########

<param name="ext-rtp-ip" value="$${external_rtp_ip}"/>

external.xml
##########

<param name="ext-sip-ip" value="$${external_sip_ip}"/>
<param name="ext-rtp-ip" value="$${external_rtp_ip}"/>

( What is a little bit strange though is that nat_map status is not working
[ERR] mod_commands.c:751 nat_map API called while NAT not initialized )

Is the reason why it does not work the port specification in the Contact
field (sngrep output)?
Contact: <sip:gw+sip-trunk.telekom.de at X.X.X.X:5080;transport=tcp;gw=
sip-trunk.telekom.de>

I do not want to setup port forwarding in the firewall. The connection
should remain open via a keep alive signal.

sngrep output
###########

2018/06/30 13:52:37.211946 10.0.200.2:51813 -> 217.0.26.165:5060
REGISTER sip:reg.sip-trunk.telekom.de;transport=tcp SIP/2.0
Via: SIP/2.0/TCP X.X.X.X:5080;rport;branch=z2hG4bK588cZXSvrN1De
Max-Forwards: 70
From: <sip:username at reg.sip-trunk.telekom.de>;tag=9aldsj8n67a
To: <sip:username at reg.sip-trunk.telekom.de>
Call-ID:
CSeq: 111844514 REGISTER
Contact: <sip:gw+sip-trunk.telekom.de at X.X.X.X:5080;transport=tcp;gw=
sip-trunk.telekom.de>
Expires: 3600
User-Agent:
FreeSWITCH-mod_sofia/1.6.19+git~20170927T175834Z~38f568d343~32bit
Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER,
REFER, NOTIFY
Supported: timer, path, replaces
Content-Length: 0

Provider settings:
#############

output proxy: reg.sip-trunk.telekom.de
registrar: sip-trunk.telekom.de

sip_profiles/external/telekom_voip.xml
##############################

<include>

 <gateway name="sip-trunk.telekom.de">
  <param name="username" value=„XXXXXX“/>
  <param name="password" value=„XXXXXX“/>

  <param name="realm" value="sip-trunk.telekom.de"/>
  <param name="proxy" value="reg.sip-trunk.telekom.de"/>
  <param name="register" value="true"/>
  <param name="register-transport" value="tcp"/>
  <param name="expire-seconds" value="3600"/>

 </gateway>
</include>

Firewall settings
#############

# block all traffic in all directions
block log

# loopback interface is not filtered
set skip on lo0

voip_tcp_client_out = "{ssh, ftp, domain, http, https, sip}"
voip_udp_client_out = "{domain, ntp, sip, 3478}"

match out on $wan_if from any nat-to ($wan_if)

pass on $voip_if inet proto tcp from any to port $voip_tcp_client_out
pass on $voip_if inet proto udp from any to port $voip_udp_client_out

pass out on $wan_if inet proto tcp from any to port $tcp_client_out
pass out on $wan_if inet proto udp from any to port $udp_client_out


Thank you for helping :)

Regards,
Paul
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