Have you checked Boghe IMS client?
https://boghe-ims-client.software.informer.com/1.0/

Best Regards

-- Mojtaba Esfandiari.S

-- PhD student and Research Affiliate,

-- Technical Manager at IP-PBX Laboratory, Ferdowsi University of Mashhad, Iran.

-- Address: IP-PBX Lab., Engineering Faculty, Ferdowsi University-Main Campus, Mashhad, Iran.

-- Mobile: +98-915-117-6713


On Tue, Jan 4, 2022 at 10:41 AM Ashay Matekar <ashay.matekar@gslab.com> wrote:
Hi Team,

We were trying to test a call flow with Kamailio IMS that requires preconditio.

Do you know any free or paid IMS softphones that support preconditio and are compatible with Kamailio IMS.



--

Thanks and Regards,

Ashay Matekar

Associate Manager Engineering | +91 932446823

Great Software Laboratory | www.gslab.com
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--Mojtaba Esfandiari.S