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[Linphone-developers] Query about Linphone SIP Register Message IP Chang

From: Asim Shafique
Subject: [Linphone-developers] Query about Linphone SIP Register Message IP Change!
Date: Fri, 2 Aug 2019 19:30:31 +0000

Dear Community,


I hope you all are doing well.


We are facing an issue in the registration process of SIP using Linphone with our open source kamailio SIP server. The discrepancy in register messages of the same dialog is causing registration issue over Wi-Fi calling. In the two register requests of the SIP registration process, IP in contact header is different due to which SIP registration is not successful and call is not established. Ideally, IPs in contact header of both register requests of the same dialogue should remain the same so that registration at server is successful.


In cases where were are testing using private network  (4G/3G of our operator, Telenor), the IPs in both the register requests remain the same and call is successful. Can you tell us how to control this so that linphone generates same IP in both register requests regardless of the network being used. Thanks!


Regards,Description: Description: cid:image001.png@01CD13F3.718EFF70

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Asim Shafique

Assistant Manager Digital & Adjacent Products

Application Development & Software Engineering, Technology

Telenor Pakistan


Mobile: +92 345 850 5851

Email: address@hidden



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