[SR-Users] Puzzling swap of To and From - Kamailio 3.0x

[Jeremy Ardley]

Hi

I have a problem which pops up occasionally.

My scenario is a kamailio 3.0.x server coupled with SEMS 1.2.1 Calls go
to SEMS and occasionally it will issue a refer to the caller (an SPA962
linksys)

The problem is that the refer seems to get screwed up somewhere and the
new call changes the From field to the To field - in this case 711. The
problems start below at 15:58:21 after the refer

I'd like to know if this is a problem with Kamailio or a problem with
the phone. The call fails on the SEMS_SEND section when the From field
is validated. I suspect the phone is the culprit, but external advice
appreciated.

Here is the log

Dec 24 15:58:20 mc0 /usr/local/sbin/kamailio[399]: WARNING: <script>:
f43507d4-e02f109b at 10.1.39.192 (New request) Method:<REFER> r-uri
<sip:711 at 10.50.20.10:5070;LINEID=fac9f6b7cb08> To:
sip:711 at joondalup.fesa.sto From: sip:902 at fesa.sto
Dec 24 15:58:20 mc0 /usr/local/sbin/kamailio[399]: WARNING: <script>:
f43507d4-e02f109b at 10.1.39.192 ( reply etc ) Method:<REFER> r-uri
<sip:711 at 10.50.20.10:5070;LINEID=fac9f6b7cb08> To:
sip:711 at joondalup.fesa.sto From: sip:902 at fesa.sto
Dec 24 15:58:20 mc0 /usr/local/sbin/kamailio[399]: WARNING: <script>:
f43507d4-e02f109b at 10.1.39.192 (Loose route) Method:<REFER> r-uri
<sip:711 at 10.50.20.10:5070;LINEID=fac9f6b7cb08> To:
sip:711 at joondalup.fesa.sto From: sip:902 at fesa.sto
Dec 24 15:58:20 mc0 /usr/local/sbin/kamailio[399]: WARNING: <script>:
f43507d4-e02f109b at 10.1.39.192 (RELAY, start of processing)
Method:<REFER> r-uri <sip:711 at 10.50.20.10:5070;LINEID=fac9f6b7cb08> To:
sip:711 at joondalup.fesa.sto From: sip:902 at fesa.sto
Dec 24 15:58:21 mc0 /usr/local/sbin/kamailio[399]: WARNING: <script>:
s_275259592d_358d20ea49bf (New request) Method:<INVITE> r-uri
<sip:7020 at fesa.sto> To: sip:7020 at fesa.sto From:
sip:711 at 10.50.20.10:5070;LINEID=fac9f6b7cb08
Dec 24 15:58:21 mc0 /usr/local/sbin/kamailio[399]: WARNING: <script>:
s_275259592d_358d20ea49bf (handle initial request) Method:<INVITE> r-uri
<sip:7020 at fesa.sto> To: sip:7020 at fesa.sto From:
sip:711 at 10.50.20.10:5070;LINEID=fac9f6b7cb08
Dec 24 15:58:21 mc0 /usr/local/sbin/kamailio[399]: WARNING: <script>:
s_275259592d_358d20ea49bf (t_check_trans) Method:<INVITE> r-uri
<sip:7020 at fesa.sto> To: sip:7020 at fesa.sto From:
sip:711 at 10.50.20.10:5070;LINEID=fac9f6b7cb08
Dec 24 15:58:21 mc0 /usr/local/sbin/kamailio[399]: WARNING: <script>:
s_275259592d_358d20ea49bf (Request For Me) Method:<INVITE> r-uri
<sip:7020 at fesa.sto> To: sip:7020 at fesa.sto From:
sip:711 at 10.50.20.10:5070;LINEID=fac9f6b7cb08
Dec 24 15:58:21 mc0 /usr/local/sbin/kamailio[399]: WARNING: <script>:
s_275259592d_358d20ea49bf (SEMS, rewrites) Method:<INVITE> r-uri
<sip:020 at fesa.sto> To: sip:7020 at fesa.sto From:
sip:711 at 10.50.20.10:5070;LINEID=fac9f6b7cb08
Dec 24 15:58:21 mc0 /usr/local/sbin/kamailio[399]: WARNING: <script>:
s_275259592d_358d20ea49bf (SEMS_SEND) Method:<INVITE> r-uri
<sip:020 at fesa.sto> To: sip:7020 at fesa.sto From:
sip:711 at 10.50.20.10:5070;LINEID=fac9f6b7cb08
Dec 24 15:58:21 mc0 /usr/local/sbin/kamailio[398]: WARNING: <script>:
s_275259592d_358d20ea49bf (SEMS_SEND_REPLY) Method:<INVITE> Status:<603>
Dec 24 15:58:21 mc0 /usr/local/sbin/kamailio[398]: CRITICAL: <script>:
s_275259592d_358d20ea49bf (SEMS_SEND_FAIL) Method:<INVITE> Status:<<null>>
Dec 24 15:58:21 mc0 /usr/local/sbin/kamailio[404]: WARNING: <script>:
s_275259592d_358d20ea49bf (New request) Method:<ACK> r-uri
<sip:7020 at fesa.sto> To: sip:7020 at fesa.sto From:
sip:711 at 10.50.20.10:5070;LINEID=fac9f6b7cb08
Dec 24 15:58:21 mc0 /usr/local/sbin/kamailio[404]: WARNING: <script>:
s_275259592d_358d20ea49bf ( reply etc ) Method:<ACK> r-uri
<sip:7020 at fesa.sto> To: sip:7020 at fesa.sto From:
sip:711 at 10.50.20.10:5070;LINEID=fac9f6b7cb08
Dec 24 15:58:21 mc0 /usr/local/sbin/kamailio[404]: WARNING: <script>:
s_275259592d_358d20ea49bf (Not a loose route) Method:<ACK> r-uri
<sip:7020 at fesa.sto> To: sip:7020 at fesa.sto From:
sip:711 at 10.50.20.10:5070;LINEID=fac9f6b7cb08
Dec 24 15:58:21 mc0 /usr/local/sbin/kamailio[404]: WARNING: <script>:
s_275259592d_358d20ea49bf (ACK in lr) Method:<ACK> r-uri
<sip:7020 at fesa.sto> To: sip:7020 at fesa.sto From:
sip:711 at 10.50.20.10:5070;LINEID=fac9f6b7cb08
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