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> OpenSIPS Summit 27-30 Sept 2022, Athens https://www.opensips.org/events/Summit-2022Athens/<https://gcc02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.opensips.org%2Fevents%2FSummit-2022Athens%2F&data=05%7C01%7CLi.Cai%40comtech.com%7C3cfc94bd30494557971708da85dd8120%7Ca9a26e696ae040c1bd801ca6cc677828%7C0%7C0%7C637969483655810006%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=ECg5RaeWv7nyMoFz2sTaFdQU%2BqzGA3wBaCGzbUfmygo%3D&reserved=0> 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/<https://gcc02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.opensips.org%2Fevents%2FSummit-2022Athens%2F&data=05%7C01%7CLi.Cai%40comtech.com%7C3cfc94bd30494557971708da85dd8120%7Ca9a26e696ae040c1bd801ca6cc677828%7C0%7C0%7C637969483655810006%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=ECg5RaeWv7nyMoFz2sTaFdQU%2BqzGA3wBaCGzbUfmygo%3D&reserved=0> 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 NOTICE TO RECIPIENT: This email, including attachments, may contain information which is confidential, proprietary, attorney-client privileged and / or controlled under U.S. export laws and regulations and may be restricted from disclosure by applicable State and Federal law. Nothing in this email shall create any legal binding agreement between the parties unless expressly stated herein and provided by an authorized representative of Comtech Telecommunications Corp. or its subsidiaries. If you are not the intended recipient of this message, be advised that any dissemination, distribution, or use of the contents of this message is strictly prohibited. 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