Hi Li,
Somehow we are going in circles here :). So, could you post a pcap for
call going via your B2B (showing all in and out SIP messages) and
mention which frame is the outgoing request you cannot modify ?
Regards,
Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
https://www.opensips-solutions.com
OpenSIPS Summit 27-30 Sept 2022, Athens
https://www.opensips.org/events/Summit-2022Athens/
On 8/24/22 6:50 PM, Li Cai wrote:
Hi Bogdan,
Thanks for the explanation. I mean that the local_route can take
effect for the forwarded INVITE(from incoming ones) in our proxy, but
not after b2b_bridge. I’ll do more debugging on it since the messages
should be visible. Thank you very much.
Thanks,
Li
*From:*Bogdan-Andrei Iancu <[email protected]>
*Sent:* August 24, 2022 10:33 AM
*To:* Li Cai <[email protected]>; OpenSIPS users mailling list
<[email protected]>
*Subject:* Re: [OpenSIPS-Users] Modify the headers after executing a
MI function in B2B_LOGIC module
*WARNING: External Email: Exercise Caution*
Hi Li,
All SIP requests generated by `b2b_bridge` are to be visible in
local_route. And on the contrary, the incoming (received) requests DO
NOT trigger local route.
Regards,
Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
https://www.opensips-solutions.com
<https://gcc02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.opensips-solutions.com%2F&data=05%7C01%7CLi.Cai%40comtech.com%7C3cfc94bd30494557971708da85dd8120%7Ca9a26e696ae040c1bd801ca6cc677828%7C0%7C0%7C637969483655810006%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=Alp8ey%2Frlw%2BagiLIsIphXz51eF74enunVGtuvY3veHA%3D&reserved=0>
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On 8/24/22 4:34 PM, Li Cai wrote:
Hi Bogdan,
Yes, we have put the changes by calling remove_hf() and
append_hf() in the ‘local_route’, those functions for new incoming
INVITE but not the INVITE sent out by ‘b2b_bridge’.
Thanks,
Li
*From:*Bogdan-Andrei Iancu <[email protected]>
<mailto:[email protected]>
*Sent:* August 24, 2022 7:18 AM
*To:* OpenSIPS users mailling list <[email protected]>
<mailto:[email protected]>; Li Cai <[email protected]>
<mailto:[email protected]>
*Subject:* Re: [OpenSIPS-Users] Modify the headers after executing
a MI function in B2B_LOGIC module
*WARNING: External Email: Exercise Caution*
Hi Li,
Have you tried to use the local_route in order to do custom
changes on the outgoing requests generated by the B2B bridging ?
Best regards,
Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
https://www.opensips-solutions.com
<https://gcc02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.opensips-solutions.com%2F&data=05%7C01%7CLi.Cai%40comtech.com%7C3cfc94bd30494557971708da85dd8120%7Ca9a26e696ae040c1bd801ca6cc677828%7C0%7C0%7C637969483655810006%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=Alp8ey%2Frlw%2BagiLIsIphXz51eF74enunVGtuvY3veHA%3D&reserved=0>
OpenSIPS Summit 27-30 Sept 2022, Athens
https://www.opensips.org/events/Summit-2022Athens/
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On 8/23/22 10:34 PM, Li Cai wrote:
Hi,
I’m working on a change for a B2BUA based on OpenSIPs 2.4, but
not sure if the function is supported or if it has been
supported in the later versions.
We have used the MI command b2b_bridge to bridge existing
calls from one entity to another and it works, the scenario is
the same as expected. While besides this, we also need to
modify one of the headers of the INVITEs sending to the new
destination in this scenario, our scripts in the opensips.cfg
can’t take any effect.
Thanks,
Li
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