David Cespedes

----- Mensaje original -----
De: Cosimo Fadda <cfadda.lists@gmail.com>
Fecha: Miércoles, Noviembre 5, 2008 9:36 am
Asunto: [Kamailio-Users] Openser as Proxy and Asterisk as Registrar

> Hi everybody
> I'd like to implement this scenario:
>
> -----------              -------------------              ----------
> -----
> |  GW/FW
> |<----LAN1---->|eth0|Openser|eth1|<----LAN2---->|eth0|asterisk| --
> >PSTN-----------              -------------------       |      -----
> ----------
>       |_______________________________________________|
>
>
>
>
>
> Where:
> - Openser is reachable from the outside  with a public  IP
> forwarded to
> eth0 private address;
>
> - Asterisk is connected to Openser using another separated LAN
> - Openser acts as proxy (for requests coming from the  outside) and
> Asterisk act as registrar and gateway.
>
>
> This is the description, now the questions:
> -since opneser has two different nics, how can configure it to
> properly
> send register request to asterisk?
> This is what currently happens:
> 192.168.40.68:5060: is eth0 Openser Address
> 192.168.12.165 is eth1 Openser Address
> 192.168.12.106  is Asterisk address
> 82.187.X.X is Openser public address
> Network 192.168.40.X is not reachable from net 192.168.12.X
>
> <-- SIP read from 192.168.40.68:5060:  REGISTER sip:192.168.12.106
> SIP/2.0   // 12.106 is Asterisk address
> Via: SIP/2.0/UDP 82.187.X.X;branch=z9hG4bKfe0f.21364c47.0 Via:
> SIP/2.0/UDP
> 192.168.40.254:2660;rport=2265;received=82.187.Y.Ybranch=z9hG4bK532058BAC7C544E0961E038CC29B2106
>
> From: Cfadda <sip:225@82.187.90.68>;tag=3189722840
> To: Cfadda <sip:225@82.187.90.68>
> Contact: "Cfadda" <sip:225@192.168.40.254:2660>
> Call-ID: 487DA353295C484FA58B2FB1464A2210@82.187.X.X
> CSeq: 65140 REGISTER
> Expires: 1800
> Max-Forwards: 69
> User-Agent: X-PRO release 1105x
> Content-Length: 0
>
>
> Nov  5 10:37:28 VERBOSE[23848] logger.c: --- (12 headers 0 lines) --
> -
> Nov  5 10:37:28 VERBOSE[23848] logger.c: Using latest REGISTER
> request
> as basis request
> Nov  5 10:37:28 VERBOSE[23848] logger.c: Sending to 82.187.X.X :
> 5060
> (non-NAT)
> Nov  5 10:37:28 VERBOSE[23848] logger.c: Transmitting (NAT) to
> 192.168.40.68:5060:
> SIP/2.0 100 Trying
> Via: SIP/2.0/UDP 82.187.X.X
> ;branch=z9hG4bKfe0f.21364c47.0;received=192.168.40.68
> Via: SIP/2.0/UDP
> 192.168.40.254:2660;rport=2265;received=82.187.Y.Y;branch=z9hG4bK532058BAC7C544E0961E038CC29B2106
>
> From: Cfadda <sip:225@82.187.90.68>;tag=3189722840
> To: Cfadda <sip:225@82.187.X.X >
> Call-ID: 487DA353295C484FA58B2FB1464A2210@82.187.X.X
> CSeq: 65140 REGISTER
> User-Agent: Asterisk PBX
> Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY
> Contact: <sip:225@192.168.12.106>
> Content-Length: 0
>
>
> ---
> Nov  5 10:37:28 VERBOSE[23848] logger.c: Transmitting (NAT) to
> 192.168.40.68:5060:
> SIP/2.0 401 Unauthorized
> Via: SIP/2.0/UDP 82.187.X.X
> ;branch=z9hG4bKfe0f.21364c47.0;received=192.168.40.68
> Via: SIP/2.0/UDP
> 192.168.40.254:2660;rport=2265;received=82.187.Y.Y;branch=z9hG4bK532058BAC7C544E0961E038CC29B2106
>
> From: Cfadda <sip:225@82.187.X.X >;tag=3189722840
> To: Cfadda <sip:225@82.187.X.X >;tag=as4c420a53
> Call-ID: 487DA353295C484FA58B2FB1464A2210@82.187.X.X
> CSeq: 65140 REGISTER
> User-Agent: Asterisk PBX
> Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY
> WWW-Authenticate: Digest algorithm=MD5, realm="asterisk",
> nonce="05f14a3e"Content-Length: 0
>
> So asterisk sends response to the wrong interface.
>
> How can I solve this?
>
> Thanks in advance,
>
> C.
>
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