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[Linphone-developers] running the tutorials

From: Miller, Cameron
Subject: [Linphone-developers] running the tutorials
Date: Fri, 19 Jan 2018 04:06:44 +0000

Greetings linphone developers,


I’ve just started my voip sdk journey and I tried the liblinphone basic call tutorial, but things aren’t working as expected.


I’ve got FreeSWITCH running on a windows server at

I’ve got a x-lite softphone running on the same server registered with address 1000.


I’ve got the liblinphone tutorial running on a windows 10 virtual machine

I attempt to dial the x-lite client.

Here is the results:


C:\Users\RTIS\Downloads\liblinphone tutorial>"Liblinphone tutorial.exe" sip:address@hidden

WARNING: no real random source present!

2018-01-18 16:59:48:893 ortp-error-Fail to create class enumerator.

2018-01-18 16:59:48:959 ortp-error-Could not find a suitable soundcard !

2018-01-18 16:59:48:960 ortp-error-Could not find a suitable soundcard !

2018-01-18 16:59:48:961 ortp-error-Could not find a suitable soundcard !

2018-01-18 16:59:48:963 ortp-warning-belle_sip_socket_set_dscp(): not implemented.

2018-01-18 16:59:48:966 ortp-warning-belle_sip_socket_set_dscp(): not implemented.

2018-01-18 16:59:48:967 ortp-warning-belle_sip_socket_set_dscp(): not implemented.

2018-01-18 16:59:48:971 ortp-error-QOSAddSocketToFlow failed to add a flow with error 87

2018-01-18 16:59:48:973 ortp-error-QOSAddSocketToFlow failed to add a flow with error 87

Call to sip:address@hidden is in progress...Terminating the call...

Shutting down...




The freeSWITCH console output look like this:


address@hidden> 2018-01-19 11:09:01.691655 [NOTICE] switch_channel.c:1104 New Channel sofia/internal/address@hidden [70d0436d-2e5d-49a7-ae54-59299eefeb33]

2018-01-19 11:09:12.052606 [WARNING] switch_core_state_machine.c:687 70d0436d-2e5d-49a7-ae54-59299eefeb33 sofia/internal/address@hidden Abandoned

2018-01-19 11:09:12.052606 [NOTICE] switch_core_state_machine.c:690 Hangup sofia/internal/address@hidden [CS_NEW] [WRONG_CALL_STATE]

2018-01-19 11:09:12.052606 [NOTICE] switch_core_session.c:1682 Session 33 (sofia/internal/address@hidden) Ended

2018-01-19 11:09:12.052606 [NOTICE] switch_core_session.c:1686 Close Channel sofia/internal/address@hidden [CS_DESTROY]


The freeSWITCH server has a password, but this tutorial doesn’t accept one (for registration)…


Could I get some help with the liblinphone errors, please?





ps. I went back to visual studio and found all the tutorials use deprecated methods. I swapped over to the new methods (e.g. using factory) and the same errors occur. Please consider updating your tutorials to use current methods.

pps. I tried getting ortp source from git to investigate further, but the instructions for win32 were wrong (the win32 build folder was absent). I tried downloading it anyway, but got stuck with trying to resolve cmake dependencies on bctoolkit and then polarssl (I have no cmake experience).


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