<div dir="auto">This might help you, you need to set directions (as suggested)</div><div dir="auto"><br></div><div dir="auto"><div><a href="https://github.com/davidcsi/kamailio-private-public/blob/master/kamailio.cfg#L1220">https://github.com/davidcsi/kamailio-private-public/blob/master/kamailio.cfg#L1220</a></div><br></div><div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Sun, 23 May 2021 at 11:22, M Arqum CH <<a href="mailto:marqumch@gmail.com">marqumch@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-style:solid;padding-left:1ex;border-left-color:rgb(204,204,204)"><div dir="ltr">Hi Mehai, <br><div><br></div><div>Bind rtpengine with local ip as well. </div><div><br></div><div>use direction flags in rtpengine_offer function . <a href="https://kamailio.org/docs/modules/5.2.x/modules/rtpengine.html#rtpengine.f.rtpengine_offer" target="_blank">https://kamailio.org/docs/modules/5.2.x/modules/rtpengine.html#rtpengine.f.rtpengine_offer</a></div><div><br></div><div>From Rtpenigne Doc:</div><div><p style="box-sizing:border-box;margin-top:16px;margin-bottom:16px;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif,"Apple Color Emoji","Segoe UI Emoji";font-size:16px;color:rgb(36,41,46)"><code style="box-sizing:border-box;font-family:SFMono-Regular,Consolas,"Liberation Mono",Menlo,monospace;font-size:13.6px;padding:0.2em 0.4em;margin:0px;border-top-left-radius:6px;border-top-right-radius:6px;border-bottom-right-radius:6px;border-bottom-left-radius:6px">direction</code></p><p style="box-sizing:border-box;margin-top:16px;margin-bottom:16px;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif,"Apple Color Emoji","Segoe UI Emoji";font-size:16px;color:rgb(36,41,46)">Contains a list of two strings and corresponds to the <em style="box-sizing:border-box;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif,"Apple Color Emoji","Segoe UI Emoji"">rtpproxy</em> <code style="box-sizing:border-box;font-family:SFMono-Regular,Consolas,"Liberation Mono",Menlo,monospace;font-size:13.6px;padding:0.2em 0.4em;margin:0px;border-top-left-radius:6px;border-top-right-radius:6px;border-bottom-right-radius:6px;border-bottom-left-radius:6px">e</code> and <code style="box-sizing:border-box;font-family:SFMono-Regular,Consolas,"Liberation Mono",Menlo,monospace;font-size:13.6px;padding:0.2em 0.4em;margin:0px;border-top-left-radius:6px;border-top-right-radius:6px;border-bottom-right-radius:6px;border-bottom-left-radius:6px">i</code> flags. Each element must correspond to one of the named logical interfaces configured on the command line (through <code style="box-sizing:border-box;font-family:SFMono-Regular,Consolas,"Liberation Mono",Menlo,monospace;font-size:13.6px;padding:0.2em 0.4em;margin:0px;border-top-left-radius:6px;border-top-right-radius:6px;border-bottom-right-radius:6px;border-bottom-left-radius:6px">--interface</code>). For example, if there is one logical interface named <code style="box-sizing:border-box;font-family:SFMono-Regular,Consolas,"Liberation Mono",Menlo,monospace;font-size:13.6px;padding:0.2em 0.4em;margin:0px;border-top-left-radius:6px;border-top-right-radius:6px;border-bottom-right-radius:6px;border-bottom-left-radius:6px">pub</code> and another one named <code style="box-sizing:border-box;font-family:SFMono-Regular,Consolas,"Liberation Mono",Menlo,monospace;font-size:13.6px;padding:0.2em 0.4em;margin:0px;border-top-left-radius:6px;border-top-right-radius:6px;border-bottom-right-radius:6px;border-bottom-left-radius:6px">priv</code>, then if side A (originator of the message) is considered to be on the private network and side B (destination of the message) on the public network, then that would be rendered within the dictionary as:</p><div style="box-sizing:border-box;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif,"Apple Color Emoji","Segoe UI Emoji";font-size:16px;color:rgb(36,41,46)"><pre style="box-sizing:border-box;font-family:SFMono-Regular,Consolas,"Liberation Mono",Menlo,monospace;font-size:13.6px;margin-top:0px;margin-bottom:16px;padding:16px;overflow:auto;line-height:1.45;border-top-left-radius:6px;border-top-right-radius:6px;border-bottom-right-radius:6px;border-bottom-left-radius:6px"><code style="box-sizing:border-box;font-family:SFMono-Regular,Consolas,"Liberation Mono",Menlo,monospace;padding:0px;margin:0px;border-top-left-radius:6px;border-top-right-radius:6px;border-bottom-right-radius:6px;border-bottom-left-radius:6px;word-break:normal;border:0px;display:inline;overflow:visible;line-height:inherit"> { ..., "direction": [ "priv", "pub" ], ... }</code></pre><pre style="box-sizing:border-box;font-family:SFMono-Regular,Consolas,"Liberation Mono",Menlo,monospace;font-size:13.6px;margin-top:0px;margin-bottom:16px;padding:16px;overflow:auto;line-height:1.45;border-top-left-radius:6px;border-top-right-radius:6px;border-bottom-right-radius:6px;border-bottom-left-radius:6px"><br></pre><pre style="box-sizing:border-box;font-family:SFMono-Regular,Consolas,"Liberation Mono",Menlo,monospace;font-size:13.6px;margin-top:0px;margin-bottom:16px;padding:16px;overflow:auto;line-height:1.45;border-top-left-radius:6px;border-top-right-radius:6px;border-bottom-right-radius:6px;border-bottom-left-radius:6px">Cheers,</pre><pre style="box-sizing:border-box;font-family:SFMono-Regular,Consolas,"Liberation Mono",Menlo,monospace;font-size:13.6px;margin-top:0px;margin-bottom:16px;padding:16px;overflow:auto;line-height:1.45;border-top-left-radius:6px;border-top-right-radius:6px;border-bottom-right-radius:6px;border-bottom-left-radius:6px">Arqum</pre></div></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, May 21, 2021 at 10:39 PM Mihai Cezar <<a href="mailto:cezar@mokalife.ro" target="_blank">cezar@mokalife.ro</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-style:solid;padding-left:1ex;border-left-color:rgb(204,204,204)">Hi All,<br>
<br>
I've been using Kamailio as a proxy for asterisk (with public ips),<br>
everything was fine until i've changed the setup to private ips for<br>
asterisk.<br>
<br>
What I did so far:<br>
- Kamailio and rtpengine are on a box with 1 public IP.<br>
- Asterisk containers on private ips each asterisk has 2 trunks (<br>
1trunk voip provider 1trunk the Proxy).<br>
<br>
What works:<br>
- Proxy registrations and sip signaling works.<br>
<br>
What it does not work:<br>
- On the asterisk I got only on rtp connexion, my guess is that has<br>
something to do with the SDP, asterisk put the private ip in the SDP<br>
header.<br>
<br>
RTPengine is configured using this guide <a href="https://github.com/sipwise/rtpengine" rel="noreferrer" target="_blank">https://github.com/sipwise/rtpengine</a><br>
<br>
Can you have a look at the kamailio config, i think i am missing<br>
something or do something wrong.<br>
<br>
Thank you!<br>
<br>
command to start was:<br>
rtpengine --table=42 --listen-ng=<a href="http://127.0.0.1:2223" rel="noreferrer" target="_blank">127.0.0.1:2223</a><br>
--interface=public/<a href="http://110.20.20.1" rel="noreferrer" target="_blank">110.20.20.1</a> --tos=184 --pidfile=/run/rtpengine.pid<br>
--no-fallback<br>
<br>
and the Kamailio cfg is this:<br>
<br>
#!KAMAILIO<br>
<br>
#!define FLT_ACC 1<br>
#!define FLT_ACCMISSED 2<br>
#!define FLT_ACCFAILED 3<br>
#!define FLT_FS 10<br>
<br>
#!define FLT_NATS 5<br>
#!define FLB_NATB 6<br>
#!define FLB_NATSIPPING 7<br>
<br>
#!define WITH_DEBUG<br>
#!define WITH_NAT<br>
<br>
<br>
## This is the main configuration file for our proxy!<br>
<br>
####### Global Parameters #########<br>
<br>
#!ifdef WITH_DEBUG<br>
debug=4<br>
memdbg=5<br>
memlog=5<br>
log_stderror=yes<br>
disable_core_dump=no<br>
sip_warning=yes<br>
#!else<br>
debug=-0<br>
log_stderror=no<br>
sip_warning=no<br>
disable_core_dump=yes<br>
#!endif<br>
<br>
log_facility=LOG_LOCAL0<br>
<br>
fork=yes<br>
children=8<br>
auto_aliases=no<br>
port=5060<br>
disable_tcp=yes<br>
<br>
server_id = 1<br>
server_signature=yes<br>
server_header="Server: proxy"<br>
<br>
dns_try_ipv6=no<br>
dns_try_naptr=no<br>
dns_retr_time=1<br>
dns_retr_no=1<br>
rev_dns=no<br>
<br>
####### Modules Section ########<br>
<br>
#loadmodule "db_mysql.so"<br>
loadmodule "jsonrpcs.so"<br>
loadmodule "kex.so"<br>
loadmodule "corex.so"<br>
loadmodule "tm.so"<br>
loadmodule "tmx.so"<br>
loadmodule "sl.so"<br>
loadmodule "rr.so"<br>
loadmodule "pv.so"<br>
loadmodule "maxfwd.so"<br>
loadmodule "usrloc.so"<br>
loadmodule "registrar.so"<br>
loadmodule "textops.so"<br>
loadmodule "siputils.so"<br>
loadmodule "xlog.so"<br>
loadmodule "sanity.so"<br>
loadmodule "ctl.so"<br>
loadmodule "acc.so"<br>
loadmodule "dispatcher.so"<br>
loadmodule "path.so"<br>
loadmodule "nathelper.so"<br>
loadmodule "rtpengine.so"<br>
<br>
<br>
####### Modules Settings<br>
# ----------------- setting module-specific parameters ---------------<br>
<br>
modparam("xlog", "buf_size", 4096)<br>
modparam("xlog", "prefix", "xlog: ")<br>
modparam("xlog", "log_facility", "LOG_DAEMON")<br>
modparam("xlog", "log_colors", "L_ERR=cr")<br>
modparam("xlog", "log_colors", "L_ERR=cr;L_WARN=px")<br>
<br>
# ----- jsonrpcs params -----<br>
modparam("jsonrpcs", "pretty_format", 1)<br>
<br>
# ----- tm params -----<br>
modparam("tm", "failure_reply_mode", 3)<br>
modparam("tm", "fr_timer", 30000)<br>
modparam("tm", "fr_inv_timer", 120000)<br>
<br>
# ----- rr params -----<br>
modparam("rr", "enable_full_lr", 1)<br>
modparam("rr", "append_fromtag", 0)<br>
<br>
#!ifdef WITH_NAT<br>
modparam("nathelper", "received_avp", "$avp(RECEIVED)")<br>
modparam("nathelper", "nortpproxy_str", "a=sdpmangled:yes\r\n")<br>
modparam("nathelper", "natping_interval", 30)<br>
modparam("nathelper", "ping_nated_only", 1)<br>
modparam("nathelper", "sipping_bflag", FLB_NATSIPPING)<br>
modparam("nathelper", "sipping_from", "sip:pinger@proxy")<br>
<br>
# params needed for NAT traversal in other modules<br>
modparam("nathelper|registrar", "received_avp", "$avp(RECEIVED)")<br>
modparam("usrloc", "nat_bflag", FLB_NATB)<br>
<br>
modparam("rtpengine", "rtpengine_sock", "udp:<a href="http://127.0.0.1:2223" rel="noreferrer" target="_blank">127.0.0.1:2223</a>")<br>
modparam("rtpengine", "rtpengine_retr", 2)<br>
modparam("rtpengine", "hash_table_size", 256)<br>
modparam("rtpengine", "hash_table_tout", 600)<br>
#!endif<br>
<br>
# ----- registrar params -----<br>
modparam("registrar", "method_filtering", 1)<br>
modparam("registrar", "append_branches", 0)<br>
modparam("registrar", "max_expires", 3600)<br>
modparam("registrar", "gruu_enabled", 1)<br>
<br>
# ----- acc params -----<br>
modparam("acc", "early_media", 0)<br>
modparam("acc", "report_ack", 0)<br>
modparam("acc", "report_cancels", 0)<br>
modparam("acc", "detect_direction", 0)<br>
modparam("acc", "log_flag", FLT_ACC)<br>
modparam("acc", "log_missed_flag", FLT_ACCMISSED)<br>
modparam("acc", "log_extra",<br>
"src_user=$fU;src_domain=$fd;dst_ouser=$tU;dst_user=$rU;dst_domain=$rd;src_ip=$si")<br>
modparam("acc", "failed_transaction_flag", FLT_ACCFAILED)<br>
<br>
# ----- dispatcher params -----<br>
modparam("dispatcher", "list_file", "/etc/kamailio/plugins/dispatcher.list")<br>
modparam("dispatcher", "xavp_dst", "_dsdst_")<br>
modparam("dispatcher", "xavp_ctx", "_dsctx_")<br>
modparam("dispatcher", "ds_ping_from", "sip:ping@proxy")<br>
modparam("dispatcher", "ds_probing_mode", 1)<br>
<br>
modparam("path", "use_received", 1)<br>
<br>
<br>
####### Routing Logic ###########<br>
# main request routing logic<br>
<br>
request_route {<br>
<br>
# per request initial checks<br>
route(REQINIT);<br>
<br>
# NAT detection<br>
route(NATDETECT);<br>
<br>
if(ds_is_from_list()) {<br>
setflag(FLT_FS);<br>
}<br>
<br>
# CANCEL processing<br>
if (is_method("CANCEL")) {<br>
rtpengine_delete();<br>
if (t_check_trans()) {<br>
route(RELAY);<br>
}<br>
exit;<br>
}<br>
<br>
# handle retransmissions<br>
if (!is_method("ACK")) {<br>
if(t_precheck_trans()) {<br>
t_check_trans();<br>
exit;<br>
}<br>
t_check_trans();<br>
}<br>
<br>
# handle requests within SIP dialogs<br>
route(WITHINDLG);<br>
<br>
if (isflagset(FLT_FS)) {<br>
route(FROM_WORLD);<br>
exit;<br>
}<br>
<br>
### only initial requests (no To tag)<br>
<br>
# record routing for dialog forming requests (in case they are routed)<br>
# - remove preloaded route headers<br>
remove_hf("Route");<br>
if (is_method("INVITE|SUBSCRIBE")) {<br>
record_route();<br>
}<br>
<br>
# account only INVITEs<br>
if (is_method("INVITE")) {<br>
setflag(FLT_ACC); # do accounting<br>
sl_send_reply("100","Trying");<br>
}<br>
<br>
# handle presence related requests<br>
route(PRESENCE);<br>
<br>
# handle registrations<br>
route(REGISTRAR);<br>
<br>
if ($rU==$null) {<br>
# request with no Username in RURI<br>
sl_send_reply("484","Address Incomplete");<br>
exit;<br>
}<br>
<br>
# dispatch destinations<br>
route(DISPATCH);<br>
}<br>
<br>
route[FROM_WORLD]<br>
{<br>
record_route();<br>
route(RELAY);<br>
exit;<br>
}<br>
<br>
route[RELAY] {<br>
if (!t_relay()) {<br>
sl_reply_error();<br>
}<br>
<br>
if (!add_path()) {<br>
sl_send_reply("503", "Internal Path Error");<br>
}<br>
<br>
if (is_method("INVITE|BYE|SUBSCRIBE|UPDATE")) {<br>
if(!t_is_set("branch_route")) t_on_branch("MANAGE_BRANCH");<br>
}<br>
if (is_method("INVITE|SUBSCRIBE|UPDATE")) {<br>
if(!t_is_set("onreply_route")) t_on_reply("MANAGE_REPLY");<br>
}<br>
if (is_method("INVITE")) {<br>
if(!t_is_set("failure_route")) t_on_failure("MANAGE_FAILURE");<br>
}<br>
<br>
if (has_body("application/sdp")) {<br>
rtpengine_manage();<br>
}<br>
<br>
append_hf("Supported: path\r\n");<br>
exit;<br>
}<br>
<br>
# Per SIP request initial checks<br>
route[REQINIT] {<br>
<br>
if (!mf_process_maxfwd_header("10")) {<br>
sl_send_reply("483","Too Many Hops");<br>
exit;<br>
}<br>
<br>
if(is_method("OPTIONS") && uri==myself && $rU==$null) {<br>
sl_send_reply("200","Keepalive");<br>
exit;<br>
}<br>
<br>
if(!sanity_check("1511", "7")) {<br>
xlog("L_WARN","Malformed SIP message from $si:$sp\n");<br>
exit;<br>
}<br>
}<br>
<br>
# Handle requests within SIP dialogs<br>
route[WITHINDLG] {<br>
if (has_totag()) {<br>
# sequential request withing a dialog should<br>
# take the path determined by record-routing<br>
if (loose_route()) {<br>
if (is_method("BYE")) {<br>
rtpengine_delete();<br>
setflag(FLT_ACC); # do accounting ...<br>
setflag(FLT_ACCFAILED); # ... even if the transaction fails<br>
} else if ( is_method("ACK") ) {<br>
# ACK is forwarded statelessly<br>
route(NATMANAGE);<br>
} else if ( is_method("NOTIFY") ) {<br>
# Add Record-Route for in-dialog NOTIFY as per RFC 6665.<br>
record_route();<br>
}<br>
route(RELAY);<br>
# exit;<br>
<br>
} else {<br>
<br>
if (is_method("SUBSCRIBE") && uri == myself) {<br>
# in-dialog subscribe requests<br>
route(PRESENCE);<br>
exit;<br>
}<br>
if ( is_method("ACK") ) {<br>
if ( t_check_trans() ) {<br>
# non loose-route, but stateful ACK; must be ACK<br>
after a 487 or e.g. 404 from upstream server<br>
t_relay();<br>
exit;<br>
} else {<br>
# ACK without matching transaction ... ignore and discard.<br>
exit;<br>
}<br>
}<br>
sl_send_reply("404","Not here");<br>
}<br>
exit;<br>
}<br>
}<br>
<br>
# Handle SIP registrations<br>
route[REGISTRAR] {<br>
<br>
if(!is_method("REGISTER"))<br>
return;<br>
<br>
if(isflagset(FLT_NATS)) {<br>
setbflag(FLB_NATB);<br>
}<br>
<br>
if (!add_path_received()) {<br>
sl_send_reply("503", "Internal Path Error");<br>
};<br>
<br>
route(DISPATCH);<br>
}<br>
<br>
# Presence server route<br>
route[PRESENCE] {<br>
if(!is_method("PUBLISH|SUBSCRIBE"))<br>
return;<br>
<br>
sl_send_reply("404", "Not found");<br>
exit;<br>
}<br>
<br>
<br>
# Dispatch requests<br>
route[DISPATCH] {<br>
# to add more servers in k8s<br>
if (!ds_select_dst("1", "4")) {<br>
send_reply(503, "Service Unavailable $fd");<br>
exit;<br>
}<br>
<br>
t_on_failure("RTF_DISPATCH");<br>
route(RELAY);<br>
exit;<br>
}<br>
<br>
# Caller NAT detection<br>
route[NATDETECT] {<br>
#!ifdef WITH_NAT<br>
if (nat_uac_test("3")) {<br>
if (is_method("REGISTER")) {<br>
xlog("L_WARN", "natdetect<br>
fix_nated_register ip: $si\n");<br>
fix_nated_register();<br>
} else {<br>
xlog("L_WARN", "natdetect set_contact_alias<br>
ip: $si\n");<br>
fix_nated_contact();<br>
}<br>
force_rport();<br>
}<br>
if (has_body("application/sdp") && nat_uac_test("8")) {<br>
xlog("L_WARN", "sdp fix ip: $si\n");<br>
fix_nated_sdp("10");<br>
}<br>
#!endif<br>
return;<br>
}<br>
<br>
# RTPProxy control and signaling updates for NAT traversal<br>
route[NATMANAGE] {<br>
#!ifdef WITH_NAT<br>
if (is_request()) {<br>
if(has_totag()) {<br>
if(check_route_param("nat=yes")) {<br>
setbflag(FLB_NATB);<br>
}<br>
}<br>
}<br>
if (!(isflagset(FLT_NATS) || isbflagset(FLB_NATB))) return;<br>
<br>
if(nat_uac_test("8")) {<br>
xlog("L_WARN", "nat_uac_test 1...");<br>
rtpengine_manage("replace-origin<br>
replace-session-connection direction=public ICE=force");<br>
} else {<br>
xlog("L_WARN", "nat_uac_test addrtp...");<br>
rtpengine_manage("codec-strip-all codec-transcode-PCMA<br>
codec-transcode-PCMU codec-transcode-G729 replace-origin<br>
replace-session-connection direction=public ICE=force ");<br>
}<br>
<br>
if (is_request()) {<br>
if (!has_totag()) {<br>
if(t_is_branch_route()) {<br>
add_rr_param(";nat=yes");<br>
}<br>
}<br>
}<br>
if (is_reply()) {<br>
if(isbflagset(FLB_NATB)) {<br>
if(is_first_hop())<br>
set_contact_alias();<br>
}<br>
}<br>
#!endif<br>
return;<br>
}<br>
<br>
# Manage outgoing branches<br>
branch_route[MANAGE_BRANCH] {<br>
xlog("L_WARN", "new branch [$T_branch_idx] to $ru\n");<br>
route(NATMANAGE);<br>
}<br>
<br>
# Manage incoming replies<br>
onreply_route[MANAGE_REPLY] {<br>
xlog("L_WARN", "incoming reply\n");<br>
<br>
if(status=~"[12][0-9][0-9]") {<br>
route(NATMANAGE);<br>
}<br>
if (has_body("application/sdp")) {<br>
rtpengine_manage();<br>
}<br>
<br>
}<br>
<br>
onreply_route[REPLY_ROUTE] {<br>
if(status=~"2[0-9][0-9]") {<br>
rtpengine_answer("replace-session-connection replace-origin");<br>
}<br>
if (has_body("application/sdp")) {<br>
rtpengine_offer();<br>
}<br>
}<br>
<br>
# Manage failure routing cases<br>
failure_route[MANAGE_FAILURE] {<br>
xlog("L_WARN", "failure route\n");<br>
route(NATMANAGE);<br>
if (t_is_canceled()) exit;<br>
}<br>
<br>
# Try next destionations in failure route<br>
failure_route[RTF_DISPATCH] {<br>
if (t_is_canceled()) {<br>
exit;<br>
}<br>
# next DST - only for 500 or local timeout<br>
if (t_check_status("500")<br>
or (t_branch_timeout() and !t_branch_replied())) {<br>
if(ds_next_dst()) {<br>
xlog("Retrying to <$ru> via <$du> (attrs:<br>
$xavp(_dsdst_=>attrs))\n");<br>
t_on_failure("RTF_DISPATCH");<br>
route(RELAY);<br>
exit;<br>
}<br>
}<br>
}<br>
<br>
__________________________________________________________<br>
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</blockquote></div><br clear="all"><div><br></div>-- <br><div dir="ltr">Regards<div>M Arqum</div></div>
__________________________________________________________<br>
Kamailio - Users Mailing List - Non Commercial Discussions<br>
* <a href="mailto:sr-users@lists.kamailio.org" target="_blank">sr-users@lists.kamailio.org</a><br>
Important: keep the mailing list in the recipients, do not reply only to the sender!<br>
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</blockquote></div></div>-- <br><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div>Regards,</div><div><br></div>David Villasmil<div>email: <a href="mailto:david.villasmil.work@gmail.com" target="_blank">david.villasmil.work@gmail.com</a></div><div>phone: +34669448337</div></div></div>