While trying HA with 3.11.11, we found this issue due to which LG Phones
configured using the default configserver settings didn't work in a HA
environment. This used to work fine in 3.10 because the configserver was
not setting the outbound proxy parameter in 3.10. However in 3.11, the
outbound proxy is set to the SIP domain name and as a result LG Phones
refuse to do a SRV query. Although this looks like a LG phone issue to
me, should this be worked around in the configserver by setting the
outbound proxy parameter for LG phones to 'blank' by default?
Raghu
-------- Original Message --------
Subject: [SFtrack] Created: (XTRN-436) LG Phones does not do a SRV
lookup when outbound proxy is set to a hostname
Date: Thu, 26 Feb 2009 05:57:17 -0600 (CST)
From: Raghu Venkataramana (JIRA) <[email protected]>
To: [email protected]
LG Phones does not do a SRV lookup when outbound proxy is set to a hostname
---------------------------------------------------------------------------
Key: XTRN-436
URL: http://track.sipfoundry.org/browse/XTRN-436
Project: External
Issue Type: Bug
Components: LG-Nortel
Environment: sipxpbx 3.11.11-014824 2009-02-25T02:42:56 oem-centos5
LG Version : 1.2.47sp (also verified using 1.2.38)
Reporter: Raghu Venkataramana
Steps to reproduce:
1. Configure a HA setup with sipdomain as qantom.int.
Note: qantom.int has been setup with earth and moon as the two SIP Servers:
;; ANSWER SECTION:
_sip._tcp.qantom.int. 43200 IN SRV 1 0 5060 moon.qantom.int.
_sip._tcp.qantom.int. 43200 IN SRV 1 0 5060 earth.qantom.int.
2. On the config server of the master, add the LG Phone and assign a user line.
3. Send profiles
4. On the LG Phones, set the tftp root directory to point to earth's address and reboot the phone.
Expected results:
The phone reboots and gets registered with either the master or the distributed
Actual results:
The phone reboots but is unable to register itself. When I looked at the PCap file, it was clear that the LG phone is not even making an SRV lookup to determine where 'qantom.int' is.
Since this scenario was working fine in sipx 3.10.3, it was obvious that
something has changed in the configuration files generated for the LG Phones.
When I Compared the configuration file generated by 3.10.3 with the
configuration file generated by 3.11.11, there was only one difference:
In the current 3.11.11 version, config server generates the profiles as:
line1_proxy_address qantom.int
WHereas in 3.10. the config server generates the profiles as:
line1_proxy_address
I then removed the outbound proxy setting in the configserver UI for LG Phones and sent profiles; After this LG Phones was happy and registered fine.
Like other phones (Polycom and SMC) LG Phones should also do a SRV query first on the outbound proxy host itself before resorting to other DNS queries.
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