12 Mar
2019
12 Mar
'19
7:46 a.m.
No problem. I didn’t consider either option but like the first idea, how do you recommend
overriding the received parameter value?
-dan
-----Original Message-----
From: sr-users <sr-users-bounces(a)lists.kamailio.org> On Behalf Of Alex Balashov
Sent: Monday, March 11, 2019 4:28 PM
To: Kamailio (SER) - Users Mailing List <sr-users(a)lists.kamailio.org>
Subject: Re: [SR-Users] Replicate REGISTER and save original received value
Oh, I’m sorry! I misread your message and was sure you meant “with DMQ”.
In that case, if you have complete control over the relay process, why not just append the
proximate source IP and port as a custom SIP header before forwarding the registration,
then extract it on the other side and store it locally using an overridden received
parameter value?
If you can’t do that, have you considered set/add_contact_alias() (nathelper module) to
manipulate the stored binding prior to forwarding? If you then call handle_ruri_alias()
after resolution on the proximate hop to the endpoint, it will strip off the alias
parameter, if present, and use the values stored therein as the destination URI.
—
Sent from mobile, with due apologies for brevity and errors.
On Mar 11, 2019, at 4:23 PM, Daniel W. Graham
<dan(a)cmsinter.net> wrote:
Hi, I can confirm dmq_usrloc does replicate received, however I need to do this outside
of DMQ. I have a host I need to send specific REGISTERs to so I can't include that
host in the DMQ group, as it would receive all usr_loc records.
-dan
-----Original Message-----
From: sr-users <sr-users-bounces(a)lists.kamailio.org> On Behalf Of Alex Balashov
Sent: Monday, March 11, 2019 4:15 PM
To: Kamailio (SER) - Users Mailing List <sr-users(a)lists.kamailio.org>
Subject: Re: [SR-Users] Replicate REGISTER and save original received value
Hi Daniel,
The 'received' parameter should be replicated. It is in one of our dmq_usrloc
rigs, which has four nodes, and registrations can come into any of them.
By way of example:
[root@gw kamailio]# kamcmd -s /tmp/kamailio_ctl ul.lookup location abalashov(a)sip.$DOMAIN
{
AoR: abalashov(a)sip.$DOMAIN
Contacts: {
Contact: {
Address: sip:abalashov@172.30.105.251:5060;alias=$PUBLIC_IP~5060~1
Expires: 112
Q: 0.000000
Call-ID: b1663a59ecd8732037017105a82662d3
CSeq: 3030
User-Agent: PolycomVVX-VVX_411-UA/5.6.0.17325
Received: sip:$PUBLIC_IP:5060
Path: <sip:$NOT_THIS_HOST:5080;lr>
State: CS_NEW
Flags: 0
CFlags: 0
Socket: [not set]
Methods: 8159
Ruid: uloc-5c6a50c4-5c25-98d
Instance: [not set]
Reg-Id: 0
Server-Id: 0
Tcpconn-Id: -1
Keepalive: 0
Last-Keepalive: 1552335034
Last-Modified: 1552335034
}
}
}
There's a 50% chance I could be mistaken, but I vaguely remember that replication of
'received' was an issue in some earlier version of Kamailio than that.
-- Alex
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On Mon, Mar 11, 2019 at 05:13:31PM +0000, Daniel
W. Graham wrote:
When forwarding / replicating a REGISTER, is it possible (without using DMQ) for the
receiving host to save the contact with the original received parameter?
REGISTER > server 1 (received set) > forward > server 2 (received not
set)
add_rcv_param will set received to server 1 IP, but I'm looking for the original
parameter as set on SERVER 1.
-dan
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--
Alex Balashov | Principal | Evariste Systems LLC
Tel: +1-706-510-6800 / +1-800-250-5920 (toll-free)
Web: http://www.evaristesys.com/, http://www.csrpswitch.com/
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