[Freeswitch-users] FS as SBC

[Nikolay Kondratyev]

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 at 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.

 

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