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Re: [Linphone-developers] How to change volume gain in linphone ios sdk

From: Peio Rigaux
Subject: Re: [Linphone-developers] How to change volume gain in linphone ios sdk swift
Date: Wed, 24 Jun 2020 10:53:37 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.6.0


I did not encounter low sound issues with bluetooth speaker, using the last Linphone beta.

Depending on how you wish to solve your issue, either :

- use "linphone_config_set_float(LpConfig *lpconfig,const char *section, const char *key, float value)" with "sound" as section, "playback_gain_db" as key.


-set playback_gain_db in .linphonerc file like



If you have the same issue with low mic volume, do the same with the mic_gain_db key.

Thanks for your interest in Linphone.

Peio Rigaux
Junior Software Engineer
Belledonne Communications, the company behind Linphone

Le 18/06/2020 à 10:02, Hominda Chandra Krishan Marasinghe Marasinghege via Linphone-developers a écrit :
Dear Linphone-developers,

I'm hominda, iOS Developer 
I have to use a Bluetooth speaker with a SIP client app. But during the call sound is not loud enough. and I tried several bl speakers (all are the same). Can I know how to change volume gain in ios SDK
thanks in advance. 

Thanks and Regards
Hominda Marasinghe
Research Assistant
SUTD LOGO T: +65 6303 6646
M: +65 9864 9993

8 Somapah Road, Singapore 487372
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