[Spce-user] NAT and SEMS

Luis Calderón l.calderon at ibred.es
Fri May 28 09:54:42 EDT 2021


Hi José María,

There isn´t any SIP ALG in the network path.

If I dial to another vsc code, like voicemail, I can hear the locution. 
In that  200 OK message, the SDP attribute is "a=sendrecv".

This is the rtp.log

rtpengine[678]: [1622208654.429423] INFO: 
[412289254-5060-4 at BJC.BGI.B.D]: Received command 'offer' from 
127.0.0.1:55515
rtpengine[678]: [1622208654.429505] NOTICE: 
[412289254-5060-4 at BJC.BGI.B.D]: Creating new call
rtpengine[678]: [1622208654.429918] INFO: 
[412289254-5060-4 at BJC.BGI.B.D]: Replying to 'offer' from 127.0.0.1:55515 
(elapsed time 0.000467 sec)
rtpengine[678]: [1622208654.435102] INFO: 
[412289254-5060-4 at BJC.BGI.B.D]: Received command 'answer' from 
127.0.0.1:57072
rtpengine[678]: [1622208654.435230] INFO: 
[412289254-5060-4 at BJC.BGI.B.D]: Replying to 'answer' from 
127.0.0.1:57072 (elapsed time 0.000116 sec)
rtpengine[678]: [1622208658.010253] INFO: [412289254-5060-4 at BJC.BGI.B.D 
port 30636]: Confirmed peer address as 84.124.17.20:16136
rtpengine[678]: [1622208659.414854] INFO: 
[412289254-5060-4 at BJC.BGI.B.D]: Received command 'delete' from 
127.0.0.1:50474
rtpengine[678]: [1622208659.415028] INFO: 
[412289254-5060-4 at BJC.BGI.B.D]: Scheduling deletion of call branch 
'2057432334' (via-branch '') in 30 seconds
rtpengine[678]: [1622208659.415058] INFO: 
[412289254-5060-4 at BJC.BGI.B.D]: Replying to 'delete' from 
127.0.0.1:50474 (elapsed time 0.000148 sec)
rtpengine[678]: [1622208689.000155] INFO: 
[412289254-5060-4 at BJC.BGI.B.D]: Call branch '2057432334' (label 
'caller', via-branch '') deleted, no more branches remaining
rtpengine[678]: [1622208689.000355] INFO: 
[412289254-5060-4 at BJC.BGI.B.D]: Final packet stats:
rtpengine[678]: [1622208689.000370] INFO: 
[412289254-5060-4 at BJC.BGI.B.D]: --- Tag '2057432334' (label 'caller'), 
created 0:35 ago for branch '', in dialogue with 
'2B84AAE3-60B0F08E00069701-1826E700'
rtpengine[678]: [1622208689.000384] INFO: 
[412289254-5060-4 at BJC.BGI.B.D]: ------ Media #1 (audio over RTP/AVP) 
using unknown codec
rtpengine[678]: [1622208689.000403] INFO: 
[412289254-5060-4 at BJC.BGI.B.D]: --------- Port 84.124.17.20:30652 <>  
220.246.76.5:50024, SSRC 0, 0 p, 0 b, 0 e, 35 ts
rtpengine[678]: [1622208689.000420] INFO: 
[412289254-5060-4 at BJC.BGI.B.D]: --------- Port 84.124.17.20:30653 <>  
220.246.76.5:50025 (RTCP), SSRC 0, 0 p, 0 b, 0 e, 35 ts
rtpengine[678]: [1622208689.000433] INFO: 
[412289254-5060-4 at BJC.BGI.B.D]: --- Tag 
'2B84AAE3-60B0F08E00069701-1826E700' (label 'callee'), created 0:35 ago 
for branch 'z9hG4bKd6fd.8984280b80d855c0bbff963843b3eb1b.0', in dialogue 
with '2057432334'
rtpengine[678]: [1622208689.000448] INFO: 
[412289254-5060-4 at BJC.BGI.B.D]: ------ Media #1 (audio over RTP/AVP) 
using PCMA/8000
rtpengine[678]: [1622208689.000465] INFO: 
[412289254-5060-4 at BJC.BGI.B.D]: --------- Port 84.124.17.20:30636 <> 
84.124.17.20:16136, SSRC 33a12952, 248 p, 42656 b, 0 e, 30 ts
rtpengine[678]: [1622208689.000479] INFO: 
[412289254-5060-4 at BJC.BGI.B.D]: --------- Port 84.124.17.20:30637 <> 
84.124.17.20:16137 (RTCP), SSRC 0, 0 p, 0 b, 0 e, 35 ts

And this is the proxy log:

NOTICE: <script>: New request on proxy - M=INVITE 
R=sip:%2372 at mydomain.es F=sip:AA00002 at mydomain.es 
T=sip:%2372 at mydomain.es IP=220.246.76.5:11994 (127.0.0.1:5060) 
ID=412289254-5060-4 at BJC.BGI.B.D UA='Grandstream HT801 1.0.27.2' 
DESTIP=127.0.0.1:5062
NOTICE: <script>: Sending reply S=100 Trying fs='127.0.0.1:5062' 
du='127.0.0.1:5060' - R=sip:%2372 at mydomain.es 
ID=412289254-5060-4 at BJC.BGI.B.D UA='Grandstream HT801 1.0.27.2'
NOTICE: <script>: Authentication failed, no credentials - 
R=sip:%2372 at mydomain.es ID=412289254-5060-4 at BJC.BGI.B.D UA='Grandstream 
HT801 1.0.27.2' Auth=<null>
NOTICE: <script>: Sending reply S=407 fs='127.0.0.1:5062' 
du='127.0.0.1:5060' - ID=412289254-5060-4 at BJC.BGI.B.D UA='Grandstream 
HT801 1.0.27.2'
NOTICE: <script>: New request on proxy - M=ACK R=sip:%2372 at mydomain.es 
F=sip:AA00002 at mydomain.es T=sip:%2372 at mydomain.es IP=<null>:<null> 
(127.0.0.1:5060) ID=412289254-5060-4 at BJC.BGI.B.D UA='<null>' 
DESTIP=127.0.0.1:5062
NOTICE: <script>: New request on proxy - M=INVITE 
R=sip:%2372 at mydomain.es F=sip:AA00002 at mydomain.es 
T=sip:%2372 at mydomain.es IP=220.246.76.5:11994 (127.0.0.1:5060) 
ID=412289254-5060-4 at BJC.BGI.B.D UA='Grandstream HT801 1.0.27.2' 
DESTIP=127.0.0.1:5062
NOTICE: <script>: Sending reply S=100 Trying fs='127.0.0.1:5062' 
du='127.0.0.1:5060' - R=sip:%2372 at mydomain.es 
ID=412289254-5060-4 at BJC.BGI.B.D UA='Grandstream HT801 1.0.27.2'
NOTICE: <script>: Sending reply S=101 Connecting fs='127.0.0.1:5062' 
du='127.0.0.1:5060' - R=sip:%2372 at mydomain.es 
ID=412289254-5060-4 at BJC.BGI.B.D UA='Grandstream HT801 1.0.27.2'
NOTICE: <script>: Dialog managed, 
lua_dlg_callid:[412289254-5060-4 at BJC.BGI.B.D] - R=sip:%2372 at mydomain.es 
ID=412289254-5060-4 at BJC.BGI.B.D UA='Grandstream HT801 1.0.27.2'
NOTICE: <script>: User-Provided CLI 'AA00002' taken from From-User - 
R=sip:%2372 at mydomain.es ID=412289254-5060-4 at BJC.BGI.B.D UA='Grandstream 
HT801 1.0.27.2'
NOTICE: <script>: User-provided CLI 'AA00002' rejected, using 
network-provided CLI '34871870107' - R=sip:%2372 at mydomain.es 
ID=412289254-5060-4 at BJC.BGI.B.D UA='Grandstream HT801 1.0.27.2'
NOTICE: <script>: Setting '34871870107 at mydomain.es' as initiating 
user-provided CLI - R=sip:%2372 at mydomain.es 
ID=412289254-5060-4 at BJC.BGI.B.D UA='Grandstream HT801 1.0.27.2'
NOTICE: <script>: Setting '34871870107 at mydomain.es' as initiating 
network-provided CLI - R=sip:%2372 at mydomain.es 
ID=412289254-5060-4 at BJC.BGI.B.D UA='Grandstream HT801 1.0.27.2'
NOTICE: <script>: VSC request - R=sip:%2372 at mydomain.es 
ID=412289254-5060-4 at BJC.BGI.B.D UA='Grandstream HT801 1.0.27.2'
NOTICE: <script>: Call to Application Server - R=sip:%2372 at vsc.local 
ID=412289254-5060-4 at BJC.BGI.B.D UA='Grandstream HT801 1.0.27.2'
NOTICE: <script>: Setting acc source-leg for uuid 
'44ad0948-b908-428e-a6b2-21b2aae4b610': 
'44ad0948-b908-428e-a6b2-21b2aae4b610|AA00002|mydomain.es|34871870107||AA00002|3|||<null>|call|220.246.76.5|1622208654.428029||||||||||||34871870107||||' 
- R=sip:%2372 at vsc.local ID=412289254-5060-4 at BJC.BGI.B.D UA='Grandstream 
HT801 1.0.27.2'
NOTICE: <script>: Setting acc destination-leg for uuid 
'44ad0948-b908-428e-a6b2-21b2aae4b610': 
'0|||0|%2372|44ad0948-b908-428e-a6b2-21b2aae4b610|%2372|vsc.local|%2372|mydomain.es|0||||||||||||%2372|||' 
- R=sip:%2372 at vsc.local ID=412289254-5060-4 at BJC.BGI.B.D UA='Grandstream 
HT801 1.0.27.2'
NOTICE: <script>: Setting From to '<sip:34871870107 at mydomain.es>' - 
R=sip:%2372 at vsc.local ID=412289254-5060-4 at BJC.BGI.B.D UA='Grandstream 
HT801 1.0.27.2'
NOTICE: <script>: Request leaving server, M=INVITE fs='127.0.0.1:5062' 
du='127.0.0.1:5080' - R=sip:%2372 at vsc.local 
ID=412289254-5060-4 at BJC.BGI.B.D UA='Grandstream HT801 1.0.27.2'
NOTICE: <script>: NAT-Reply - S=200 - OK M=INVITE IP=220.246.76.5:11994 
(127.0.0.1:5080) ID=412289254-5060-4 at BJC.BGI.B.D UA='<null>' 
DESTIP=127.0.0.1:5062
NOTICE: <script>: Sending reply S=200 M=INVITE fs='127.0.0.1:5062' 
du='127.0.0.1:<null>' - ID=412289254-5060-4 at BJC.BGI.B.D UA='<null>'
NOTICE: <script>: [dialog:start] 
lua_dlg_callid:[412289254-5060-4 at BJC.BGI.B.D]  - R=<null> 
ID=412289254-5060-4 at BJC.BGI.B.D UA='<null>'
NOTICE: <script>: New request on proxy - M=ACK 
R=sip:127.0.0.1:5080;prxroute=1 F=sip:AA00002 at mydomain.es 
T=sip:%2372 at mydomain.es IP=220.246.76.5:11994 (127.0.0.1:5060) 
ID=412289254-5060-4 at BJC.BGI.B.D UA='Grandstream HT801 1.0.27.2' 
DESTIP=127.0.0.1:5062
NOTICE: <script>: Request leaving server, M=ACK fs='127.0.0.1:5062' 
du='127.0.0.1:5080' - R=sip:127.0.0.1:5080;prxroute=1 
ID=412289254-5060-4 at BJC.BGI.B.D UA='Grandstream HT801 1.0.27.2'
NOTICE: <script>: New request on proxy - M=BYE 
R=sip:AA00002 at 192.168.1.3:5060;alias=220.246.76.5~11994~1 
F=sip:%2372 at mydomain.es T=sip:34871870107 at mydomain.es IP=127.0.0.1:5080 
(127.0.0.1:5080) ID=412289254-5060-4 at BJC.BGI.B.D UA='Sipwise NGCP 
Application Server 6.X' DESTIP=127.0.0.1:5062
NOTICE: <script>: Sending reply S=100 Trying fs='127.0.0.1:5062' 
du='127.0.0.1:5080' - 
R=sip:AA00002 at 192.168.1.3:5060;alias=220.246.76.5~11994~1 
ID=412289254-5060-4 at BJC.BGI.B.D UA='Sipwise NGCP Application Server 6.X'
NOTICE: <script>: [dialog:end] decreased redis counters 
lua_dlg_callid:[412289254-5060-4 at BJC.BGI.B.D]  - 
R=sip:AA00002 at 192.168.1.3:5060;alias=220.246.76.5~11994~1 
ID=412289254-5060-4 at BJC.BGI.B.D UA='Sipwise NGCP Application Server 6.X'
NOTICE: <script>: MOS <null>/<null>/<null> - 
R=sip:AA00002 at 192.168.1.3:5060;alias=220.246.76.5~11994~1 
ID=412289254-5060-4 at BJC.BGI.B.D UA='Sipwise NGCP Application Server 6.X'
NOTICE: <script>: Request leaving server, M=BYE fs='127.0.0.1:5062' 
du='127.0.0.1:5060' - 
R=sip:AA00002 at 192.168.1.3:5060;alias=220.246.76.5~11994~1 
ID=412289254-5060-4 at BJC.BGI.B.D UA='Sipwise NGCP Application Server 6.X'
NOTICE: <script>: NAT-Reply - S=200 - OK M=BYE IP=127.0.0.1:5080 
(127.0.0.1:5060) ID=412289254-5060-4 at BJC.BGI.B.D UA='Grandstream HT801 
1.0.27.2' DESTIP=127.0.0.1:5062
NOTICE: <script>: Sending reply S=200 M=BYE fs='127.0.0.1:5062' 
du='127.0.0.1:5080' - ID=412289254-5060-4 at BJC.BGI.B.D UA='Grandstream 
HT801 1.0.27.2'

Regards.

*Luis Calderón Boix*
*Support Area Team Leader & LTE/VOIP Manager*
(+34) 971 53 08 03
C. Santo Domingo, 31
07460 Pollença
Illes Balears
_www.ibred.es_ <http://www.ibred.es/>

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El 28/05/2021 a las 9:24, José María Caballero Alba escribió:
>
> However, if redirecting the ports can hear the announcement, it seems 
> more like a problem in the customer's router. Maybe SIP_ALG?
>
> Un saludo,
>
>
>       José María Caballero Alba
>
> Site Reliability Engineer
>
> 	
> 	
> 	
> 	
>
> 	917 914 40 <tel:917 914 400>0 <tel:917 914 400>(ext:109) <tel:917 914 
> 400>
>
> 	josem.caballero at tecsens.com <mailto:josem.caballero at tecsens.com>
>
> 	Paseo 
> <https://www.google.es/maps/place/Paseo+de+la+Castellana,+171,+4%C2%BA+Izq,+28046+Madrid,+Espa%C3%B1a/@40.4622928,-3.6927542,17z/data=!3m1!4b1!4m5!3m4!1s0xd42291af0b03713:0xe8ea60e4ae5ceabb!8m2!3d40.4622887!4d-3.6905655>d 
> <https://www.google.es/maps/place/Paseo+de+la+Castellana,+171,+4%C2%BA+Izq,+28046+Madrid,+Espa%C3%B1a/@40.4622928,-3.6927542,17z/data=!3m1!4b1!4m5!3m4!1s0xd42291af0b03713:0xe8ea60e4ae5ceabb!8m2!3d40.4622887!4d-3.6905655>e 
> <https://www.google.es/maps/place/Paseo+de+la+Castellana,+171,+4%C2%BA+Izq,+28046+Madrid,+Espa%C3%B1a/@40.4622928,-3.6927542,17z/data=!3m1!4b1!4m5!3m4!1s0xd42291af0b03713:0xe8ea60e4ae5ceabb!8m2!3d40.4622887!4d-3.6905655>la 
> <https://www.google.es/maps/place/Paseo+de+la+Castellana,+171,+4%C2%BA+Izq,+28046+Madrid,+Espa%C3%B1a/@40.4622928,-3.6927542,17z/data=!3m1!4b1!4m5!3m4!1s0xd42291af0b03713:0xe8ea60e4ae5ceabb!8m2!3d40.4622887!4d-3.6905655>Castellan 
> <https://www.google.es/maps/place/Paseo+de+la+Castellana,+171,+4%C2%BA+Izq,+28046+Madrid,+Espa%C3%B1a/@40.4622928,-3.6927542,17z/data=!3m1!4b1!4m5!3m4!1s0xd42291af0b03713:0xe8ea60e4ae5ceabb!8m2!3d40.4622887!4d-3.6905655>a 
> <https://www.google.es/maps/place/Paseo+de+la+Castellana,+171,+4%C2%BA+Izq,+28046+Madrid,+Espa%C3%B1a/@40.4622928,-3.6927542,17z/data=!3m1!4b1!4m5!3m4!1s0xd42291af0b03713:0xe8ea60e4ae5ceabb!8m2!3d40.4622887!4d-3.6905655>171 
> <https://www.google.es/maps/place/Paseo+de+la+Castellana,+171,+4%C2%BA+Izq,+28046+Madrid,+Espa%C3%B1a/@40.4622928,-3.6927542,17z/data=!3m1!4b1!4m5!3m4!1s0xd42291af0b03713:0xe8ea60e4ae5ceabb!8m2!3d40.4622887!4d-3.6905655>. 
> <https://www.google.es/maps/place/Paseo+de+la+Castellana,+171,+4%C2%BA+Izq,+28046+Madrid,+Espa%C3%B1a/@40.4622928,-3.6927542,17z/data=!3m1!4b1!4m5!3m4!1s0xd42291af0b03713:0xe8ea60e4ae5ceabb!8m2!3d40.4622887!4d-3.6905655>4 
> <https://www.google.es/maps/place/Paseo+de+la+Castellana,+171,+4%C2%BA+Izq,+28046+Madrid,+Espa%C3%B1a/@40.4622928,-3.6927542,17z/data=!3m1!4b1!4m5!3m4!1s0xd42291af0b03713:0xe8ea60e4ae5ceabb!8m2!3d40.4622887!4d-3.6905655> <https://www.google.es/maps/place/Paseo+de+la+Castellana,+171,+4%C2%BA+Izq,+28046+Madrid,+Espa%C3%B1a/@40.4622928,-3.6927542,17z/data=!3m1!4b1!4m5!3m4!1s0xd42291af0b03713:0xe8ea60e4ae5ceabb!8m2!3d40.4622887!4d-3.6905655>Izq 
> <https://www.google.es/maps/place/Paseo+de+la+Castellana,+171,+4%C2%BA+Izq,+28046+Madrid,+Espa%C3%B1a/@40.4622928,-3.6927542,17z/data=!3m1!4b1!4m5!3m4!1s0xd42291af0b03713:0xe8ea60e4ae5ceabb!8m2!3d40.4622887!4d-3.6905655>. 
> <https://www.google.es/maps/place/Paseo+de+la+Castellana,+171,+4%C2%BA+Izq,+28046+Madrid,+Espa%C3%B1a/@40.4622928,-3.6927542,17z/data=!3m1!4b1!4m5!3m4!1s0xd42291af0b03713:0xe8ea60e4ae5ceabb!8m2!3d40.4622887!4d-3.6905655>28046 
> <https://www.google.es/maps/place/Paseo+de+la+Castellana,+171,+4%C2%BA+Izq,+28046+Madrid,+Espa%C3%B1a/@40.4622928,-3.6927542,17z/data=!3m1!4b1!4m5!3m4!1s0xd42291af0b03713:0xe8ea60e4ae5ceabb!8m2!3d40.4622887!4d-3.6905655>(Madrid) 
> <https://www.google.es/maps/place/Paseo+de+la+Castellana,+171,+4%C2%BA+Izq,+28046+Madrid,+Espa%C3%B1a/@40.4622928,-3.6927542,17z/data=!3m1!4b1!4m5!3m4!1s0xd42291af0b03713:0xe8ea60e4ae5ceabb!8m2!3d40.4622887!4d-3.6905655>
>
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> El 28/5/21 a las 9:22, José María Caballero Alba escribió:
>> Could you put the rtp engine and kamailio logs (proxy / lb)?
>>
>> Un saludo,
>>
>>
>>       José María Caballero Alba
>>
>> Site Reliability Engineer
>>
>> 	
>> 	
>> 	
>> 	
>>
>> 	917 914 40 <tel:917 914 400>0 <tel:917 914 400>(ext:109) <tel:917 
>> 914 400>
>>
>> 	josem.caballero at tecsens.com <mailto:josem.caballero at tecsens.com>
>>
>> 	Paseo 
>> <https://www.google.es/maps/place/Paseo+de+la+Castellana,+171,+4%C2%BA+Izq,+28046+Madrid,+Espa%C3%B1a/@40.4622928,-3.6927542,17z/data=!3m1!4b1!4m5!3m4!1s0xd42291af0b03713:0xe8ea60e4ae5ceabb!8m2!3d40.4622887!4d-3.6905655>d 
>> <https://www.google.es/maps/place/Paseo+de+la+Castellana,+171,+4%C2%BA+Izq,+28046+Madrid,+Espa%C3%B1a/@40.4622928,-3.6927542,17z/data=!3m1!4b1!4m5!3m4!1s0xd42291af0b03713:0xe8ea60e4ae5ceabb!8m2!3d40.4622887!4d-3.6905655>e 
>> <https://www.google.es/maps/place/Paseo+de+la+Castellana,+171,+4%C2%BA+Izq,+28046+Madrid,+Espa%C3%B1a/@40.4622928,-3.6927542,17z/data=!3m1!4b1!4m5!3m4!1s0xd42291af0b03713:0xe8ea60e4ae5ceabb!8m2!3d40.4622887!4d-3.6905655>la 
>> <https://www.google.es/maps/place/Paseo+de+la+Castellana,+171,+4%C2%BA+Izq,+28046+Madrid,+Espa%C3%B1a/@40.4622928,-3.6927542,17z/data=!3m1!4b1!4m5!3m4!1s0xd42291af0b03713:0xe8ea60e4ae5ceabb!8m2!3d40.4622887!4d-3.6905655>Castellan 
>> <https://www.google.es/maps/place/Paseo+de+la+Castellana,+171,+4%C2%BA+Izq,+28046+Madrid,+Espa%C3%B1a/@40.4622928,-3.6927542,17z/data=!3m1!4b1!4m5!3m4!1s0xd42291af0b03713:0xe8ea60e4ae5ceabb!8m2!3d40.4622887!4d-3.6905655>a 
>> <https://www.google.es/maps/place/Paseo+de+la+Castellana,+171,+4%C2%BA+Izq,+28046+Madrid,+Espa%C3%B1a/@40.4622928,-3.6927542,17z/data=!3m1!4b1!4m5!3m4!1s0xd42291af0b03713:0xe8ea60e4ae5ceabb!8m2!3d40.4622887!4d-3.6905655>171 
>> <https://www.google.es/maps/place/Paseo+de+la+Castellana,+171,+4%C2%BA+Izq,+28046+Madrid,+Espa%C3%B1a/@40.4622928,-3.6927542,17z/data=!3m1!4b1!4m5!3m4!1s0xd42291af0b03713:0xe8ea60e4ae5ceabb!8m2!3d40.4622887!4d-3.6905655>. 
>> <https://www.google.es/maps/place/Paseo+de+la+Castellana,+171,+4%C2%BA+Izq,+28046+Madrid,+Espa%C3%B1a/@40.4622928,-3.6927542,17z/data=!3m1!4b1!4m5!3m4!1s0xd42291af0b03713:0xe8ea60e4ae5ceabb!8m2!3d40.4622887!4d-3.6905655>4 
>> <https://www.google.es/maps/place/Paseo+de+la+Castellana,+171,+4%C2%BA+Izq,+28046+Madrid,+Espa%C3%B1a/@40.4622928,-3.6927542,17z/data=!3m1!4b1!4m5!3m4!1s0xd42291af0b03713:0xe8ea60e4ae5ceabb!8m2!3d40.4622887!4d-3.6905655>> <https://www.google.es/maps/place/Paseo+de+la+Castellana,+171,+4%C2%BA+Izq,+28046+Madrid,+Espa%C3%B1a/@40.4622928,-3.6927542,17z/data=!3m1!4b1!4m5!3m4!1s0xd42291af0b03713:0xe8ea60e4ae5ceabb!8m2!3d40.4622887!4d-3.6905655>Izq 
>> <https://www.google.es/maps/place/Paseo+de+la+Castellana,+171,+4%C2%BA+Izq,+28046+Madrid,+Espa%C3%B1a/@40.4622928,-3.6927542,17z/data=!3m1!4b1!4m5!3m4!1s0xd42291af0b03713:0xe8ea60e4ae5ceabb!8m2!3d40.4622887!4d-3.6905655>. 
>> <https://www.google.es/maps/place/Paseo+de+la+Castellana,+171,+4%C2%BA+Izq,+28046+Madrid,+Espa%C3%B1a/@40.4622928,-3.6927542,17z/data=!3m1!4b1!4m5!3m4!1s0xd42291af0b03713:0xe8ea60e4ae5ceabb!8m2!3d40.4622887!4d-3.6905655>28046 
>> <https://www.google.es/maps/place/Paseo+de+la+Castellana,+171,+4%C2%BA+Izq,+28046+Madrid,+Espa%C3%B1a/@40.4622928,-3.6927542,17z/data=!3m1!4b1!4m5!3m4!1s0xd42291af0b03713:0xe8ea60e4ae5ceabb!8m2!3d40.4622887!4d-3.6905655>(Madrid) 
>> <https://www.google.es/maps/place/Paseo+de+la+Castellana,+171,+4%C2%BA+Izq,+28046+Madrid,+Espa%C3%B1a/@40.4622928,-3.6927542,17z/data=!3m1!4b1!4m5!3m4!1s0xd42291af0b03713:0xe8ea60e4ae5ceabb!8m2!3d40.4622887!4d-3.6905655>
>>
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>> El 27/5/21 a las 12:12, Luis Calderón escribió:
>>> *Luis Calderón Boix*
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