Hi All, I'm new to freeswitch and I'm investigating if i can use FS as SBC. I see that one can use FS as SBC for incoming and outgoing calls. But I was not able to find out if FS can be used for registration. I mean the subscriber from internet should send Register to FS, and FS should send Register to internal sip server. Is this possible? Another question is: what will happen with "contact parameters" in Invite and Register messages? Will FS pass unknown parameters through? I'm interested in particular in the following Contact field: Contact: <sip:+79980000004@10.169.10.64:5070;transport=udp>;+g.3gpp.icsi-ref="urn%3Au rn-7%3A3gpp-service.ims.icsi.mmtel,urn%3Aurn-7%3A3gpp-service.ims.icsi.mmtel .gsma.videocall";audio;video;q=0.8;+g.oma.sip-im;+g.oma.sip-im.large-message ;expires=3600 If FS will get Invite or Register from Internet with such Contact, is it possible to preserve parameters (namely +g.3gpp.icsi-ref="urn%3Aurn-7%3A3gpp-service.ims.icsi.mmtel,urn%3Aurn-7%3A3g pp-service.ims.icsi.mmtel.gsma.videocall";audio;video;q=0.8;+g.oma.sip-im;+g .oma.sip-im.large-message;expires=3600) on the internal call leg? Thanks in advance, Nikolay.
On Tue, Jul 9, 2013 at 10:02 AM, Nikolay Kondratyev <n.kondratyev@cpm.ru>wrote:
Hi All,****
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I’m new to freeswitch
Welcome to the community :)
and I’m investigating if i can use FS as SBC.
This topic has already been heavily discussed; https://www.google.co.uk/search?q=freeswitch+sbc https://www.google.co.uk/search?q=freeswitch+sbc+%22freeswitch-users%22&oq=f... http://www.moythreads.com/congresos/cluecon2012/cluecon-2012-kickass-sbc.pdf https://wiki.freeswitch.org/wiki/SBC_Setup https://wiki.freeswitch.org/wiki/SBC_FreeSWITCH_Configuration_Example_2 Please do try and do your home work before posting on the mailing list - the list is maintained by volunteers and most people will not response if they see the same questions being asked over and over again. Here is a great guide on how to get the best out of the mailing list; http://wiki.freeswitch.org/wiki/UsingTheMailingList ****
I see that one can use FS as SBC for incoming and outgoing calls.****
But I was not able to find out if FS can be used for registration… I mean the subscriber from internet should send Register to FS, and FS should send Register to internal sip server. Is this possible?
FS is a B2BUA - it is not the same as using something like OpenSIPS. http://en.wikipedia.org/wiki/Back-to-back_user_agent http://wiki.freeswitch.org/wiki/The_Limitations_of_FreeSwitch
****
Another question is: what will happen with “contact parameters” in Invite and Register messages? Will FS pass unknown parameters through?
****
I’m interested in particular in the following Contact field:****
Contact: <sip:+79980000004@10.169.10.64:5070;transport=udp
;+g.3gpp.icsi-ref="urn%3Aurn-7%3A3gpp-service.ims.icsi.mmtel,urn%3Aurn-7%3A3gpp-service.ims.icsi.mmtel.gsma.videocall";audio;video;q=0.8;+g.oma.sip-im;+g.oma.sip-im.large-message;expires=3600
If FS will get Invite or Register from Internet with such Contact, is it possible to preserve parameters (namely +g.3gpp.icsi-ref="urn%3Aurn-7%3A3gpp-service.ims.icsi.mmtel,urn%3Aurn-7%3A3gpp-service.ims.icsi.mmtel.gsma.videocall";audio;video;q=0.8;+g.oma.sip-im;+g.oma.sip-im.large-message;expires=3600) on the internal call leg?
Have a read through this for more information on how variables work; http://wiki.freeswitch.org/wiki/Channel_Variables You can control which variables get passed between legs using a variety of methods (set/export etc). Hope this helps
****
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Thanks in advance,****
Nikolay.****
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participants (2)
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Cal Leeming [Simplicity Media Ltd]
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Nikolay Kondratyev