Hi all, Help me solving the issue below. Best Regards, Prabhu. > Date: Thu, 24 Jan 2008 15:13:36 +0000 > From: bennylp@pjsip.org > To: prabhu.k@hotmail.com > Subject: Re: Reg the Access to external Sip server. > CC: vijayaraghavan_d@yahoo.com > > Hi Prabhu, > > for technical questions, I would suggest trying pjsip mailing list > where more people would be able to help. > > kind regards, > -benny > > On 1/24/08, Prabhu Kasthuri Ranga Samy wrote: >> >> >> Hi Benny, >> Thanks, now i'm able to register with the public SIP server sucessfully >> using public STUN server. >> >> But then, unable to make voice calls. >> >> Let me explain you in detail: >> I have a Mobile client with a private IP(say Device A) that registers to >> the public Sip server thru the company's router.When trying to call the >> Mobile client(say Device B) with a public ip, the voice gets transmitted to >> the Mobile client- Device B. But in the reverse direction the voice doesn't >> get transmitted to Mobile client-Device A, as this has a private IP. >> >> >> >> I have also analyzed the logs from the Mobile client to check for the >> absence of Voice and figured out a difference in the log generated by >> Kapanga/X-Lite with that generated by the Mobile client. The difference is >> coming in the SDP part when the client generates it. >> >> >> >> In the SDP info there is a field called as the Connection information >> (represented by "c= " in the logs) and that field is filled by the Router's >> Public IP (The value returned by the STUN Server) in case of Kapanga / >> X-Lite. But for the Mobile client it is being filled by the Private IP that >> assigned to the device. >> >> >> >> Is it possible to edit connection Information field to contain the IP that >> was returned by the STUN server >> >> >> >> Kapanga/X-Lite Log: >> >> >> >> SIP/2.0 200 OK >> >> Via: SIP/2.0/UDP 122.169.243.35:5060;branch=z9hG4bK139532810143240 >> >> Via: SIP/2.0/UDP 122.169.243.35:5060;branch=z9hG4bK433294692091956 >> >> Via: SIP/2.0/UDP 122.169.243.35:5060;branch=z9hG4bK585635356702736 >> >> User-Agent: Kapanga Softphone Desktop 1.00/2166s+1200897673_0018DEA55EAC >> >> From: >> ;tag=23263168238867615_local.1201082481921_112_141 >> >> To: >> ;tag=411F89BDDD4F41AE14511EBCC8CFE33E >> >> Call-ID: 08580307826182665@122.169.243.35 >> >> CSeq: 2 INVITE >> >> Contact: >> >> Allow: INVITE, INFO, PRACK, ACK, BYE, CANCEL, OPTIONS, NOTIFY, REGISTER, >> SUBSCRIBE, REFER, PUBLISH, UPDATE, MESSAGE >> >> Session-Expires: 1800;refresher=uac >> >> Content-Type: application/sdp >> >> Content-Length: 235 >> >> >> >> v=0 >> >> o=LapKap 1201088238 1201088253 IN IP4 10.238.116.67 >> >> s=Kapanga [1201088238] >> >> c=IN IP4 203.99.209.151 >> >> t=0 0 >> >> m=audio 5100 RTP/AVP 0 8 101 >> >> a=sendrecv >> >> a=maxptime:20 >> >> a=ptime:20 >> >> a=rtpmap:101 telephone-event/8000 >> >> a=fmtp:101 0-15 >> >> >> >> >> >> Mobile Client Log: >> >> >> >> 200 OK >> >> Via: SIP/2.0/UDP >> 122.169.243.35:5060;received=122.169.243.35;branch=z9hG4bK193420002898656;ibmsid=local.1201153638093_24_29 >> >> Via: SIP/2.0/UDP >> 122.169.243.35:5060;branch=z9hG4bK287558343300969;ibmsid=local.1201153638093_23_28 >> >> Via: SIP/2.0/UDP >> 122.169.243.35:5060;branch=z9hG4bK347090155832467;ibmsid=local.1201153638093_22_27 >> >> Call-ID: 6054879737724844@122.169.243.35 >> >> From: >> ;tag=44536314788759124_local.1201153638093_22_27 >> >> To: ;tag=6292000683362064fe18 >> >> CSeq: 2 INVITE >> >> Contact: >> >> Allow: INVITE, ACK, BYE, CANCEL, SUBSCRIBE, NOTIFY, PUBLISH, REFER, MESSAGE, >> OPTIONS >> >> Supported: replaces, norefersub >> >> Content-Type: application/sdp >> >> Content-Length: 243 >> >> >> >> >> >> >> >> v=0 >> >> o=- 3355689078 3355689079 IN IP4 10.238.116.67 >> >> s=pjmedia >> >> c=IN IP4 10.238.116.67 >> >> t=0 0 >> >> m=audio 4000 RTP/AVP 0 101 >> >> a=rtcp:4001 IN IP4 10.238.116.67 >> >> a=rtpmap:0 PCMU/8000 >> >> a=sendrecv >> >> a=rtpmap:101 telephone-event/8000 >> >> a=fmtp:101 0-15 >> >> >> >> >> >> Best Regards, >> >> Prabhu. >> >> >> >> >> ________________________________ >> Date: Fri, 18 Jan 2008 07:21:17 +0000 >> From: bennylp@pjsip.org >> To: prabhu.k@hotmail.com >> Subject: Re: Reg the Access to external Sip server. >> >> Hi Prabhu, >> >> PJSUA-LIB has the same functionality, but it is only activated when you >> enable STUN in pjsua_config.stun_host. When you do, it'll do exactly like >> what you mentioned. >> >> cheers, >> -benny >> >> >> On 1/17/08, Prabhu Kasthuri Ranga Samy wrote: >> >> Hi Benny, >> Let me first explain you the scenario / setup that we are testing the >> client under. >> >> We have our company's Network and our Lab Network (Different from the >> Company's Network). The SIP Server is running in the Lab Network on the >> Public IP and we have one of the X-Lite clients running on one of the >> Laptop's Connected via Wi-Fi connected to the Company's Network. For that >> Laptop we have got the firewalls opened to connect to the Lab Network >> (Firewall opened because the Lab network is not a part of Company's >> Network). Now when we try to register the X-lite from that laptop to the SIP >> server the client is registering successfully. But the X-Lite client is >> sending multiple requests to the SIP Server. >> >> Because of these multiple registrations that are occurring the calls are >> properly landing on the X-Lite even though the it is behind the router. But >> when we check for the Mobile Client though it is registering successfully it >> is sending only one request. It is not sending another request with the IP >> of the router. Due to which when we try to call Mobile phone the client is >> not ringing, because the Sip server is trying to send the request to the >> Company's internal IP and that is not correct. The correct scenario would be >> SIP server forwarding the request to the Company's router and then the >> router in turn forwarding the request to the client (as happening for the >> X-Lite) >> >> Is it possible to build such kind of functionality into the Mobile Client. >> If so where this has to be changed in the application. >> >> Below is the log generated. >> >> X-lite is sending the first request with the Private IP(internal IP) and >> eventhough its getting the success response from the server it is again >> modifying the Contact field to the public IP and sending the request again. >> >> >> Request 1: >> >> REGISTER sip:192.168.20.1 SIP/2.0 >> Via: SIP/2.0/UDP >> 10.238.116.67:8000;branch=z9hG4bK-d87543-176aa55e204dec7d-1--d87543-;rport >> Max-Forwards: 70 >> Contact: > 10.238.116.67:8000;rinstance=cec37dc14f68d167> >> To: "Laptop1" >> From: "Laptop1";tag=92707628 >> Call-ID: >> 56288f2da25bb70dOGRiYzQzYTI4MWMxNjA4YTA3NzE0YThiNzJkMmNkZjk. >> CSeq: 1 REGISTER >> Expires: 3600 >> Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE, >> SUBSCRIBE, INFO >> User-Agent: X-Lite release 1002tx stamp 29712 >> Content-Length: 0 >> >> >> SIP/2.0 200 OK >> Contact: ;expires=3600 >> Call-ID: >> 56288f2da25bb70dOGRiYzQzYTI4MWMxNjA4YTA3NzE0YThiNzJkMmNkZjk. >> CSeq: 1 REGISTER >> From: "Laptop1" ;tag=92707628 >> To: "Laptop1" >>;tag=7592732651031109_local.1199363693919_83_90 >> Via: SIP/2.0/UDP >> 10.238.116.67:8000;branch=z9hG4bK-d87543-176aa55e204dec7d-1--d87543-;rport;received= >> 203.99.209.151 >> Date: Thu, 03 Jan 2008 07:01:14 GMT >> Content-Length: 0 >> >> >> >> Request 2: >> >> REGISTER sip:192.168.20.1 SIP/2.0 >> Via: SIP/2.0/UDP >> 10.238.116.67:8000;branch=z9hG4bK-d87543-d95db715296be26b-1--d87543-;rport >> Max-Forwards: 70 >> Contact: > 203.99.209.151:8000;rinstance=01cac0038b9bf03f> >> To: "Laptop1" >> From: "Laptop1";tag=92707628 >> Call-ID: >> 56288f2da25bb70dOGRiYzQzYTI4MWMxNjA4YTA3NzE0YThiNzJkMmNkZjk. >> CSeq: 3 REGISTER >> Expires: 3600 >> Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE, >> SUBSCRIBE, INFO >> User-Agent: X-Lite release 1002tx stamp 29712 >> Content-Length: 0 >> >> >> SIP/2.0 200 OK >> Contact: ;expires=3600 >> Call-ID: >> 56288f2da25bb70dOGRiYzQzYTI4MWMxNjA4YTA3NzE0YThiNzJkMmNkZjk. >> CSeq: 3 REGISTER >> From: "Laptop1" ;tag=92707628 >> To: "Laptop1" >>;tag=06817725023763255_local.1199363693919_85_92 >> Via: SIP/2.0/UDP >> 10.238.116.67:8000;branch=z9hG4bK-d87543-d95db715296be26b-1--d87543-;rport;received= >> 203.99.209.151 >> Date: Thu, 03 Jan 2008 07:01:14 GMT >> Content-Length: 0 >> >> Kindly help me with the possible resolution for this. >> >> Best Regards, >> Prabhu >> >> >> ________________________________ >> Post free auto ads on Yello Classifieds now! 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