sr-users

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37568 discussions

Re: [SR-Users] sr-users Digest, Vol 60, Issue 6
by Rothe, Marcus, D22-WHV 05 May '10

05 May '10

"sr-users-request(a)lists.sip-router.org" <sr-users-request(a)lists.sip-router.org> schrieb: Send sr-users mailing list submissions to sr-users(a)lists.sip-router.org To subscribe or unsubscribe via the World Wide Web, visit http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users or, via email, send a message with subject or body 'help' to sr-users-request(a)lists.sip-router.org You can reach the person managing the list at sr-users-owner(a)lists.sip-router.org When replying, please edit your Subject line so it is more specific than "Re: Contents of sr-users digest..." Today's Topics: 1. Authentication SER + RADIUS + LDAP (Pablo Ros) 2. Kamailio SCTP support (Francisco Jos? M?ndez Cirera) 3. Re: NAT Traversal IPTel example (Daniel-Constantin Mierla) 4. Re: Kamailio SCTP support (Daniel-Constantin Mierla) ---------------------------------------------------------------------- Message: 1 Date: Tue, 4 May 2010 10:03:26 +0200 From: Pablo Ros <prf1987(a)gmail.com> Subject: [SR-Users] Authentication SER + RADIUS + LDAP To: sr-users(a)lists.sip-router.org Message-ID: <m2i46878ffc1005040103m27d01ccfo9c84d8bba7dc7896(a)mail.gmail.com> Content-Type: text/plain; charset="iso-8859-1" Hello, We have a LDAP database with many users information and this is the one we use to implement most of our services; on the contrary we have SER working with a SQL data base. Our intention was to make also the authentication against LDAP. After some research, we've seen there's no specific module for SER to work with LDAP and we have considered some alternatives among them there was the "module" from ETH world<http://www.ethworld.ethz.ch/technologies/sipeth/ser_modules/ldap>. However, we didn't manage to make it work (if it's an advisable choice we'd appreciate some clues). So, we decided to make the authentication through the RADIUS server. Nevertheless, we are having some problems with the way data is sent. When doing the user authentication there's no problem as it is sent in plain text and we modified to do it against the email attribute as it's this what we want. It makes it perfectly. But it turns out that when we try to make the password authentication, as the data sent from SER comes in a hash (user:realm:password) as long as we know, we don't really know how to make it compare with the password field in LDAP (under MD5 algorithm as well). When we make a test over Radius by sending plain text it works perfectly so it shouldn't be a problem by searching the attributes over LDAP. We have tried to follow instructions to set the digest section properly but there's something we definitely miss. Attached there's a log from the radius when trying to log with SER and the Register section from SER. log: 03 User-Name = "my.user(a)i2cat.net" Digest-Attributes = 0x0a0b7061626c6f2e726f73 Digest-Attributes = 0x010b69326361742e6e6574 Digest-Attributes = 0x022a34626466643065343837303734363630626261366134363437663730313034343639 663532306532 Digest-Attributes = 0x040f7369703a69326361742e6e6574 Digest-Attributes = 0x030a5245474953544552 Digest-Response = "6c95bcba1fca30e976fa9295025b1bf4" Service-Type = Sip-Session Sip-Uri-User = "my.user" NAS-Port = 5060 NAS-IP-Address = 127.0.0.1 +- entering group authorize ++[preprocess] returns ok ++[chap] returns noop ++[mschap] returns noop rlm_digest: Adding Auth-Type = DIGEST ++[digest] returns ok rlm_realm: Looking up realm "i2cat.net" for User-Name = " my.user(a)i2cat.net" rlm_realm: No such realm "i2cat.net" ++[suffix] returns noop rlm_eap: No EAP-Message, not doing EAP ++[eap] returns noop ++[unix] returns notfound ++[files] returns noop rlm_ldap: - authorize rlm_ldap: performing user authorization for my.user(a)i2cat.net WARNING: Deprecated conditional expansion ":-". See "man unlang" for details expand: (mail=%{Stripped-User-Name:-%{User-Name}}) -> (mail= my.user(a)i2cat.net) expand: ou=activat,ou=personal,dc=i2cat,dc=net -> ou=activat,ou=personal,dc=i2cat,dc=net rlm_ldap: ldap_get_conn: Checking Id: 0 rlm_ldap: ldap_get_conn: Got Id: 0 rlm_ldap: attempting LDAP reconnection rlm_ldap: (re)connect to ldap.i2cat.net:389, authentication 0 rlm_ldap: bind as cn=anonim,dc=i2cat,dc=net/i2mngr to ldap.i2cat.net:389 rlm_ldap: waiting for bind result ... rlm_ldap: Bind was successful rlm_ldap: performing search in ou=activat,ou=personal,dc=i2cat,dc=net, with filter (mail=pablo.ros(a)i2cat.net) rlm_ldap: No default NMAS login sequence rlm_ldap: looking for check items in directory... rlm_ldap: LDAP attribute userPassword as RADIUS attribute Digest-HA1 == "{md5}nCK4tZ5NNP48oT0wlXX+Jw==" rlm_ldap: looking for reply items in directory... WARNING: No "known good" password was found in LDAP. Are you sure that the user is configured correctly? rlm_ldap: user pablo.ros(a)i2cat.net authorized to use remote access rlm_ldap: ldap_release_conn: Release Id: 0 ++[ldap] returns ok ++[expiration] returns noop ++[logintime] returns noop rlm_pap: WARNING! No "known good" password found for the user. Authentication may fail because of this. ++[pap] returns noop rad_check_password: Found Auth-Type DIGEST auth: type "digest" +- entering group authenticate rlm_digest: Digest-HA1 has invalid length, authentication failed. ++[digest] returns invalid auth: Failed to validate the user. Login incorrect: [my.user(a)i2cat.net/<via Auth-Type = DIGEST>] (from client localhost port 5060) Found Post-Auth-Type Reject +- entering group REJECT expand: %{User-Name} -> my.user(a)i2cat.net attr_filter: Matched entry DEFAULT at line 11 ++[attr_filter.access_reject] returns updated Delaying reject of request 0 for 1 seconds SER register -> User Authentication part #------------------------------------------------------------------------ # Comprovacio de credencials per als usuaris. #------------------------------------------------------------------------ if (!is_user_in("From", "noauth")) { xlog("L_NOTICE", "SER-INFO: challenging user...\n"); # IMPORTANTE: radius_www_authorize solo toma un par?metro! if(!radius_www_authorize("")) { # L'usuari NO esta registrat correctament o les # credencials no son valides! www_challenge("i2cat.net","0"); xlog("L_ALERT","SER-ALERT r[4]-Bad Auth from <%fu>:(%is) [403 Forbiden]\n"); sl_send_reply("403", "Forbiden!, Bad Credentials"); break; #tallem la comunicacio }; #-------------------------------------------------------------------- # check_to #-------------------------------------------------------------------- if(!check_to()) { xlog("L_ALERT","SER-ALERT: check_to(): REG Spoofed attempt <%fu>:(%is)\n"); sl_send_reply("403", "Use To=id la proxima vegada :@"); consume_credentials(); # fem que caduqui la sessio break; }; } -- Pablo Ros

1 0

Authentication SER + RADIUS + LDAP
by Pablo Ros 05 May '10

05 May '10

Hello, We have a LDAP database with many users information and this is the one we use to implement most of our services; on the contrary we have SER working with a SQL data base. Our intention was to make also the authentication against LDAP. After some research, we've seen there's no specific module for SER to work with LDAP and we have considered some alternatives among them there was the "module" from ETH world<http://www.ethworld.ethz.ch/technologies/sipeth/ser_modules/ldap>. However, we didn't manage to make it work (if it's an advisable choice we'd appreciate some clues). So, we decided to make the authentication through the RADIUS server. Nevertheless, we are having some problems with the way data is sent. When doing the user authentication there's no problem as it is sent in plain text and we modified to do it against the email attribute as it's this what we want. It makes it perfectly. But it turns out that when we try to make the password authentication, as the data sent from SER comes in a hash (user:realm:password) as long as we know, we don't really know how to make it compare with the password field in LDAP (under MD5 algorithm as well). When we make a test over Radius by sending plain text it works perfectly so it shouldn't be a problem by searching the attributes over LDAP. We have tried to follow instructions to set the digest section properly but there's something we definitely miss. Attached there's a log from the radius when trying to log with SER and the Register section from SER. log: 03 User-Name = "my.user(a)i2cat.net" Digest-Attributes = 0x0a0b7061626c6f2e726f73 Digest-Attributes = 0x010b69326361742e6e6574 Digest-Attributes = 0x022a34626466643065343837303734363630626261366134363437663730313034343639663532306532 Digest-Attributes = 0x040f7369703a69326361742e6e6574 Digest-Attributes = 0x030a5245474953544552 Digest-Response = "6c95bcba1fca30e976fa9295025b1bf4" Service-Type = Sip-Session Sip-Uri-User = "my.user" NAS-Port = 5060 NAS-IP-Address = 127.0.0.1 +- entering group authorize ++[preprocess] returns ok ++[chap] returns noop ++[mschap] returns noop rlm_digest: Adding Auth-Type = DIGEST ++[digest] returns ok rlm_realm: Looking up realm "i2cat.net" for User-Name = " my.user(a)i2cat.net" rlm_realm: No such realm "i2cat.net" ++[suffix] returns noop rlm_eap: No EAP-Message, not doing EAP ++[eap] returns noop ++[unix] returns notfound ++[files] returns noop rlm_ldap: - authorize rlm_ldap: performing user authorization for my.user(a)i2cat.net WARNING: Deprecated conditional expansion ":-". See "man unlang" for details expand: (mail=%{Stripped-User-Name:-%{User-Name}}) -> (mail= my.user(a)i2cat.net) expand: ou=activat,ou=personal,dc=i2cat,dc=net -> ou=activat,ou=personal,dc=i2cat,dc=net rlm_ldap: ldap_get_conn: Checking Id: 0 rlm_ldap: ldap_get_conn: Got Id: 0 rlm_ldap: attempting LDAP reconnection rlm_ldap: (re)connect to ldap.i2cat.net:389, authentication 0 rlm_ldap: bind as cn=anonim,dc=i2cat,dc=net/i2mngr to ldap.i2cat.net:389 rlm_ldap: waiting for bind result ... rlm_ldap: Bind was successful rlm_ldap: performing search in ou=activat,ou=personal,dc=i2cat,dc=net, with filter (mail=pablo.ros(a)i2cat.net) rlm_ldap: No default NMAS login sequence rlm_ldap: looking for check items in directory... rlm_ldap: LDAP attribute userPassword as RADIUS attribute Digest-HA1 == "{md5}nCK4tZ5NNP48oT0wlXX+Jw==" rlm_ldap: looking for reply items in directory... WARNING: No "known good" password was found in LDAP. Are you sure that the user is configured correctly? rlm_ldap: user pablo.ros(a)i2cat.net authorized to use remote access rlm_ldap: ldap_release_conn: Release Id: 0 ++[ldap] returns ok ++[expiration] returns noop ++[logintime] returns noop rlm_pap: WARNING! No "known good" password found for the user. Authentication may fail because of this. ++[pap] returns noop rad_check_password: Found Auth-Type DIGEST auth: type "digest" +- entering group authenticate rlm_digest: Digest-HA1 has invalid length, authentication failed. ++[digest] returns invalid auth: Failed to validate the user. Login incorrect: [my.user(a)i2cat.net/<via Auth-Type = DIGEST>] (from client localhost port 5060) Found Post-Auth-Type Reject +- entering group REJECT expand: %{User-Name} -> my.user(a)i2cat.net attr_filter: Matched entry DEFAULT at line 11 ++[attr_filter.access_reject] returns updated Delaying reject of request 0 for 1 seconds SER register -> User Authentication part #------------------------------------------------------------------------ # Comprovacio de credencials per als usuaris. #------------------------------------------------------------------------ if (!is_user_in("From", "noauth")) { xlog("L_NOTICE", "SER-INFO: challenging user...\n"); # IMPORTANTE: radius_www_authorize solo toma un parámetro! if(!radius_www_authorize("")) { # L'usuari NO esta registrat correctament o les # credencials no son valides! www_challenge("i2cat.net","0"); xlog("L_ALERT","SER-ALERT r[4]-Bad Auth from <%fu>:(%is) [403 Forbiden]\n"); sl_send_reply("403", "Forbiden!, Bad Credentials"); break; #tallem la comunicacio }; #-------------------------------------------------------------------- # check_to #-------------------------------------------------------------------- if(!check_to()) { xlog("L_ALERT","SER-ALERT: check_to(): REG Spoofed attempt <%fu>:(%is)\n"); sl_send_reply("403", "Use To=id la proxima vegada :@"); consume_credentials(); # fem que caduqui la sessio break; }; } -- Pablo Ros

2 1

NAT Traversal IPTel example
by Andy Savage 05 May '10

05 May '10

Hi there, I've been setting up SER for a testing server on the local network behind a NAT. I'm having problems understanding how to setup the NAT routing in the configuration file. My understanding is that IPTel has already setup advanced NAT routing on the free service (as per the website). Is it possible to get a copy of the configuration file (atleast the part that has the NAT routing stuff). This would help me immensely in getting proper nat traversal setup as it already works great on the IPTel server. Not sure who I would contact in regards to this, but this seemed like a good place to start. Kind regards, Andy Savage -- "The greatest challenge to any thinker is stating the problem in a way that will allow a solution" - Bertrand Russell Andy Savage Cell Phone: +852 936 34341 Skype ID: andy_savage Linked In: http://www.linkedin.com/in/andysavage

2 1

RTPproxy in bridge mode question
by Uriel Rozenbaum 04 May '10

04 May '10

Guys, I'm successfully using a Kamailio + RTPproxy setup in bridge mode with most of my Gateways. My setup includes two different interfaces one with a public IP and teh other with the private IP. Now I'm facing some slight issue. Some providers won't accept my calls (or calls will have some strange behavior) if the Contact header has an IP out of immediate range. I tried to use fix_nated_contact() function but as per my topology, this function will not change the contact header because the IP is already the one on the interface. Example: U 192.168.200.X:5060 -> 192.168.200.Y:5060 INVITE sip:111160911097@192.168.200.Y SIP/2.0. Via: SIP/2.0/UDP 192.168.200.X:5060;branch=z9hG4bK096baacc;rport. From: "Uriel Rozenbaum" <sip:60911100@192.168.200.X>;tag=as32794d5e. To: <sip:111160911097@192.168.200.Y>. Contact: <sip:60911100@*192.168.200.X*>. U 200.A.A.A:5060 -> 200.B.B.B:5060 INVITE sip:898960911097@200.B.B.B SIP/2.0. Record-Route: <sip:200.A.A.A;r2=on;lr=on;ftag=as32794d5e>. Record-Route: <sip:192.168.200.Y;r2=on;lr=on;ftag=as32794d5e>. Via: SIP/2.0/UDP 200.A.A.A;branch=z9hG4bK5222.14fbf4f7.0. Via: SIP/2.0/UDP 192.168.200.X:5060;received=192.168.200.X;branch=z9hG4bK096baacc;rport=5060. From: "Uriel Rozenbaum" <sip:60911100@192.168.200.X>;tag=as32794d5e. To: <sip:111160911097@192.168.200.Y>. Contact: <sip:60911100@*192.168.200.X*>. Is there any way to let know Kamailio the outgoing IP I'll be using and fix the contact accordingly? I can trigger this change after I know the destination IP. Thanks! Uriel

4 7

kamailio and presence_xml parse error
by Francesco 03 May '10

03 May '10

Thx for reply. This is what i get with patch applied (is not pretty readable, but what i can see is "^M" char that could be the cause of the problem...or in rpid field the status "unknown") May 3 15:50:36 ocs /usr/sbin/kamailio[1858]: ERROR:presence_xml:agregate_ xmls: while parsing xml body message [[<?xml version='1.0' encoding='UTF-8'?><presence xmlns='urn:ietf:params:xml:ns:pidf' xmlns:dm='urn:ietf:params:xml:ns:pidf:data-model' xmlns:rpid='urn:ietf:params:xml:ns:pidf:rpid' xmlns:c='urn:ietf:params:xml:ns:pidf:cipid' entity=' sip:amusso@ocs.ita.wtbts.net <sip%3Aamusso(a)ocs.ita.wtbts.net>'><tuple id='t7164a248'><status><basic>open</basic></status></tuple><dm:person id='pf31ded47'><rpid:activities><rpid:unknown/></rpid:activities></dm:person></presence>P Server^M Content-Length: 0^M ^M ]] May 3 15:50:36 ocs /usr/sbin/kamailio[1858]: ERROR:presence_xml:pres_agg_nbody: while aggregating body May 3 15:51:22 ocs /usr/sbin/kamailio[1855]: ERROR:presence_xml:pres_agg_nbody: while aggregating body May 3 15:51:22 ocs /usr/sbin/kamailio[1856]: ERROR:presence_xml:offline_nbody: while parsing xml memory May 3 15:51:22 ocs /usr/sbin/kamailio[1856]: ERROR:presence_xml:pres_agg_nbody: while constructing offline body May 3 15:51:51 ocs /usr/sbin/kamailio[1857]: ERROR:presence_xml:agregate_xmls: while parsing xml body message [[<?xml version='1.0' encoding='UTF-8'?><presence xmlns='urn:ietf:params:xml:ns:pidf' xmlns:dm='urn:ietf:params:xml:ns:pidf:data-model' xmlns:rpid='urn:ietf:params:xml:ns:pidf:rpid' xmlns:c='urn:ietf:params:xml:ns:pidf:cipid' entity=' sip:fcolista@ocs.ita.wtbts.net <sip%3Afcolista(a)ocs.ita.wtbts.net>'><tuple id='tdd57124f'><status><basic>open</basic></status></tuple><dm:person id='pe22c066e'><rpid:activities><rpid:unknown/></rpid:activities></dm:person></presence>resence>]] May 3 15:51:51 ocs /usr/sbin/kamailio[1857]: ERROR:presence_xml:pres_agg_nbody: while aggregating body May 3 15:52:32 ocs /usr/sbin/kamailio[1856]: ERROR:presence_xml:agregate_xmls: while parsing xml body message [[<?xml version='1.0' encoding='UTF-8'?><presence xmlns='urn:ietf:params:xml:ns:pidf' xmlns:dm='urn:ietf:params:xml:ns:pidf:data-model' xmlns:rpid='urn:ietf:params:xml:ns:pidf:rpid' xmlns:c='urn:ietf:params:xml:ns:pidf:cipid' entity=' sip:amusso@ocs.ita.wtbts.net <sip%3Aamusso(a)ocs.ita.wtbts.net>'><tuple id='t7164a248'><status><basic>open</basic></status></tuple><dm:person id='pf31ded47'><rpid:activities><rpid:unknown/></rpid:activities></dm:person></presence>resence>P Server^M Content-Length: 0^M ^M 74fe7e7c241d"^M Server: AlpineLinux SIP Server^M Content-Length: 0^M ^M ]] May 3 15:52:32 ocs /usr/sbin/kamailio[1856]: ERROR:presence_xml:pres_agg_nbody: while aggregating body May 3 15:53:26 ocs /usr/sbin/kamailio[1858]: ERROR:presence_xml:agregate_xmls: while parsing xml body message [[<?xml version='1.0' encoding='UTF-8'?><presence xmlns='urn:ietf:params:xml:ns:pidf' xmlns:dm='urn:ietf:params:xml:ns:pidf:data-model' xmlns:rpid='urn:ietf:params:xml:ns:pidf:rpid' xmlns:c='urn:ietf:params:xml:ns:pidf:cipid' entity=' sip:amusso@ocs.ita.wtbts.net <sip%3Aamusso(a)ocs.ita.wtbts.net>'><tuple id='t7164a248'><status><basic>open</basic></status></tuple><dm:person id='pf31ded47'><rpid:activities><rpid:unknown/></rpid:activities></dm:person></presence>e> tbts.net", nonce="4bded515000000284f85e37237864bdc5da8d6836da5a769"^M Server: AlpineLinux SIP Server^M Content-Length: 0^M ^M ]] May 3 15:53:26 ocs /usr/sbin/kamailio[1858]: ERROR:presence_xml:pres_agg_nbody: while aggregating body :: Francesco Colista :: Email : francesco.colista(a)gmail.com :: Jabber: francesco(a)jabber.org

1 0

[Kamailio-Users] re : openserctl statistics..
by Jignesh Gandhi 03 May '10

03 May '10

Hello, What does the following stat mean when you run the " openserctl moni " sl: received_ACKs = xxxx I did some digging and I got the following explanation... But am not sure if this is an error in operser or an error on a message received by openser or what? " sl: received_ACKs - number of received ACKs due sending negative replies. " any help is appreciated. thanks, --Jignesh

6 11

Add header on failure Route
by Alex Rendour 03 May '10

03 May '10

Hi, We need to add header on the failure route. Exemple: On failure 404 Not found, we need add header Reason: Q.850; cause=1 We tried this in failure_route: if(t_check_status("404")){ xlog("L_ERR", "404 Not found\n"); append_to_reply("Reason: Q.850; cause=1\r\n"); xlog("L_ERR", "404 Not found apres\n"); exit; } and if(t_check_status("404")){ xlog("L_ERR", "404 Not found\n"); append_hf("Reason: Q.850; cause=1\r\n"); xlog("L_ERR", "404 Not found apres\n"); exit; } The twice doesn't work. Someone can help me? Thanks, -- Alexandre Rendour Acropolis Telecom <http://www.acropolistelecom.net> <mailto:rendour@acropolistelecom.net> Adresse : 161-163 avenue Gallieni Paris - Porte de Bagnolet 93170 Bagnolet

2 2

Simple Trunking with Kamailio
by Jared Martin 01 May '10

01 May '10

Ok, this is probably an easy question: Say I have my kamailio server set up and all of my voip clients are gleefully calling each other... but now I want to connect them to the PSTN. Can I set up kamailo to trunk calls using a few grandstream gateways? or is Asterisk neccesary? Sorry if the answers out there, but I haven't found anything that answered the question directly. I'm a linux admin, but I'm new to PBX's and the like. I've installed kamailio in the past using instructions specific to that situation, but haven't configured trunking (or I didn't recognize thats what it was) references to howtos or tutorials would also be greatly appreciated Thanks for your help, Jared Martin

2 1

sr-users = ser + kamailio users mailing lists
by Daniel-Constantin Mierla 30 Apr '10

30 Apr '10

Hello, a short note that the merging of SIP Express Routers (SER) users mailing list into sr-users is completed from subscriber point of view: - posts to serusers(a)lists.iptel.org are directed to sr-users(a)lists.sip-router.org - posts to sr-users(a)lists.sip-router.org are received by subscribers of serusers(a)lists.iptel.org Just a bit of time ago, kamailio (openser) users' mailing list was merged as well. Since the release 3.0.x is practically the same source code, no mater the binary is compiled as ser or kamailio, and the development is in the same place (code in same repository), a combined mailing lists environment is the right for providing the best answers in shortest time for both communities. Therefore, now there are two mailing lists: - sr-users(a)lists.sip-router.org - to be used for discussions about stable versions and generic project/community topics - sr-dev(a)lists.sip-router.org - to be used for discussions about devel version and future development topics If you were subscribed to both with same email address, you won't get duplicates. If you had some settings that are no longer in place, please contact one of devels on sr-dev lists or write to me. Cheers, Daniel -- Daniel-Constantin Mierla * http://www.asipto.com/ * http://twitter.com/miconda * http://www.linkedin.com/in/danielconstantinmierla

1 0

Bug with avp's or feature ?
by Tristan Mahé 30 Apr '10

30 Apr '10

Hi guys, I was debugging an install on kamailio 3.0, and was asked to add per user custom outbound proxies. To do so, I used load_credentials from auth_db to store the custom route in an avp, as you can see in the relevant part below. I noticed a strange thing, POINT 1 show "OK", but POINT 2 shows "KO". Is it a normal behaviour that avp got deleted after the Dialog PART ? Regards, Gled --------------------------------------------------------------------------------- modparam("auth_db", "load_credentials", "$avp(s:proxy)=outbound_override;$avp(s:rights)=rights;$avp(s:max_out)=max_out") route[INVITE_FROM_UAC] { if (!www_authorize("", "my_user_view")) { www_challenge("", "1"); } if ( !($tU =~ $avp(s:rights_ereg)) ) { sl_send_reply("403","Forbidden"); t_release(); exit(); } /* POINT 1 */ if ( is_avp_set("$avp(s:proxy)") ) { xlog("OK"); } else { xlog("KO"); } get_profile_size("outbound","$fU","$avp(calls_out)"); if ( $avp(s:max_out) != 0 && $avp(calls_out) >= $avp(s:max_out) ) { t_reply("403","Too Many calls"); t_release(); exit(); } /* Dialog PART */ if (!is_in_profile("outbound")) { dlg_manage(); set_dlg_profile("outbound","$fU"); } /* POINT 2 */ if ( is_avp_set("$avp(s:proxy)") ) { xlog("OK"); } else { xlog("KO"); } } ---------------------------------------------------------------------------------

2 1

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