[asterisk-users] Asterisk sends the INTERNAL IP address of my equipments to my SIP friends?!?

[Mickael MONSIEUR]

Good morning, or Good afternoon! It depends :-)

I have a standard Asterisk configuration:

SIP friends (phones)    <----->    Asterisk    <----->    SIP gateway to
PSTN converter
80.236.215.61                         109.69.217.6            internal IP (
10.4.0.10/255.255.255.0)

When analyzing traffic on a SIP friend/phone I see this:


INVITE sip:xxxx at 80.236.215.61:64946;ob SIP/2.0
Via: SIP/2.0/UDP 109.69.217.6:5060;branch=z9hG4bK52d50250;rport
Max-Forwards: 70
From: <sip:xxxx at 109.69.217.6>;tag=as15b47581
To: "test" <sip:xxxx at 109.69.217.6>;tag=kp1VwHD80rA9MVdBjTF4jyFIaCkrJcjh
Contact: <sip:xxxxx at 109.69.217.6>
Call-ID: MSMhw2bsheHWAQgHlae3O7yKQ2P9EcsM
CSeq: 102 INVITE
User-Agent: Asterisk
Require: timer
Session-Expires: 1800;refresher=uas
Min-SE: 90
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO
Supported: replaces, timer
Content-Type: application/sdp
Content-Length: 217

v=0
o=root 664087974 664087976 IN IP4 10.4.0.10
s=Asterisk
c=IN IP4 10.4.0.10
t=0 0
m=audio 8652 RTP/AVP 8 101
a=rtpmap:8 PCMA/8000
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-16
a=ptime:20
a=sendrecv


My equipement IP 10.4.0.10 is visible to the user, why?

Thank you,
Mickael
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