Re: [Linphone-users] echo issue

[ael]

On Sat, Mar 19, 2022 at 03:53:16PM +0100, Marco Dani via Linphone-users wrote:
> I'm a Linux user and a software developer since many years and I have also
> some skills in the audio area.
> 
> So, I'm trying to use Linphone on my deskstop and the android app. I've
> tried out many configurations by enabling the echo cancellation after doing
> the calibration.
> But the echo is so much there that I cannot use Linphone at all.

I am using linphone desktop (4.2.5-3) on Debian testing here with
no problems. But no vile pulseaudio: plain ALSA. It all world well.

So sorry, I probably can't help :-) 

I seem to have two linephonerc: one in ~/. and the other under 
~/.config/linphone/linphonerc which looks as if it is the active one.

In case it is any use it contains:

----------- linphonerc -----

[rtp]
download_ptime=0
audio_rtp_port=7078
video_rtp_port=9078
audio_jitt_comp=60
video_jitt_comp=60
nortp_timeout=30
audio_adaptive_jitt_comp_enabled=1
video_adaptive_jitt_comp_enabled=1
text_rtp_port=11078

[sip]
media_encryption=srtp
default_proxy=0
guess_hostname=1
contact="xxx" <sip:xxxxxxxxxxx@192.168.0.8:5080>
inc_timeout=30
in_call_timeout=0
delayed_timeout=4
register_only_when_network_is_up=1
register_only_when_upnp_is_ok=1
sip_port=5080
sip_tcp_port=0
sip_tls_port=5080
root_ca=/etc/ssl/certs
verify_server_certs=1
verify_server_cn=1
ipv6_migration_done=1
multi_transport_migration_done=1
zrtp_cache_migration_done=1
lime=1
media_encryption_mandatory=0
use_info=1
use_rfc2833=0
rls_uri=sips:rls@sip.linphone.org

[video]
display=1
capture=1
automatically_initiate=0
automatically_accept=0
show_local=0
self_view=0
size=cif
displaytype=MSOGL
device=V4L2: /dev/video0

[net]
download_bw=0
upload_bw=0
mtu=1300
adaptive_rate_control=1
stun_server=stun.sipgate.net
nat_policy_ref=zOVCZyhqtL1f~NG

[GtkUi]
videoselfview=0
uri0=sip:xxxx
advanced_ui=1
--[snip some contacts here]--
lang=C
logs_scroll_to_end=0

[sound]
remote_ring=/usr/share/sounds/linphone/ringback.wav
playback_gain_db=0.000000
mic_gain_db=0.000000
playback_dev_id=ALSA: HDA Intel PCH
ringer_dev_id=ALSA: HDA Intel PCH
capture_dev_id=ALSA: HDA Intel PCH
echocancellation=1
ec_filter=MSWebRTCAEC

[audio_codec_0]
mime=opus
rate=48000
channels=2
enabled=16

[audio_codec_1]
mime=opus
rate=48000
channels=1
enabled=16

[audio_codec_2]
mime=speex
rate=16000
channels=1
enabled=16

[audio_codec_3]
mime=speex
rate=8000
channels=1
enabled=16

[audio_codec_4]
mime=PCMU
rate=8000
channels=1
enabled=16

[audio_codec_5]
mime=PCMA
rate=8000
channels=1
enabled=16

[audio_codec_6]
mime=GSM
rate=8000
channels=1
enabled=0

[audio_codec_7]
mime=speex
rate=32000
channels=1
enabled=16

[audio_codec_8]
mime=L16
rate=44100
channels=1
enabled=0

[audio_codec_9]
mime=L16
rate=44100
channels=2
enabled=0

[audio_codec_10]
mime=G722
rate=8000
channels=1
enabled=0

[audio_codec_12]
mime=G726-24
rate=8000
channels=1
enabled=0

[audio_codec_13]
mime=G726-16
rate=8000
channels=1
enabled=0

[audio_codec_14]
mime=L16
rate=44100
channels=1
enabled=0

[audio_codec_15]
mime=L16
rate=44100
channels=2
enabled=0

[audio_codec_16]
mime=G722
rate=8000
channels=1
enabled=0

[video_codec_0]
mime=VP8
rate=90000
enabled=16

[video_codec_1]
mime=theora
rate=90000
enabled=16

[video_codec_3]
mime=theora
rate=90000
enabled=0

[video_codec_4]
mime=H263
rate=90000
enabled=0

[nat_policy_0]
ref=zOVCZyhqtL1f~NG
stun_server=stun.sipgate.net
protocols=stun

[misc]
uuid=5bdb931f-62f4-44c9-b20b-1807f82f9ffe
user_certificates_path=/home/ael/.local/share/linphone/usr-crt/
call_logs_migration_done=1
friends_migration_done=1
version_check_url_root=https://linphone.org/releases
log_collection_upload_server_url=https://www.linphone.org:444/lft.php
file_transfer_server_url=https://www.linphone.org:444/lft.php
prefer_basic_chat_room=1

[app]
auto_download_incoming_files_max_size=-1
sender_name_hidden_in_forward_message=0

[ui]
rc_version=1
exit_on_close=0
logs_enabled=0
show_tel_keypad_automatically=1

[proxy_default_values]
avpf=1
dial_escape_plus=0
publish=1
quality_reporting_enabled=1
quality_reporting_interval=180
reg_expires=600
reg_sendregister=1
contact_parameters=message-expires=604800
quality_reporting_collector=sip:voip-metrics@sip.linphone.org;transport=tls
reg_identity=sip:?@sip.linphone.org
reg_proxy=<sip:sip.linphone.org;transport=tls>
nat_policy_ref=nat_policy_default_values
realm=sip.linphone.org

[nat_policy_default_values]
stun_server=stun.linphone.org
protocols=stun,ice

[assistant]
algorithm=SHA-256
password_max_length=-1
password_min_length=1
username_length=-1
username_max_length=64
username_min_length=1
username_regex=^[a-z0-9+_.\-]*$
xmlrpc_url=https://subscribe.linphone.org:444/wizard.php
domain=sip.linphone.org

[nat_policy_1]
ref=dKNwSj9WuvW2vba
stun_server=stun.linphone.org
protocols=stun,ice

[nat_policy_2]
ref=zULPmwyLyYty5~4

[nat_policy_3]
ref=kub6HSNRG6YtACE

[proxy_0]
reg_proxy=sip:sipgate.co.uk
reg_identity=sip:xxxxxxxxxxxxxx
quality_reporting_enabled=0
quality_reporting_interval=0
reg_expires=3582
reg_sendregister=1
publish=1
avpf=0
avpf_rr_interval=5
dial_escape_plus=0
privacy=32768
push_notification_allowed=0
idkey=proxy_config_wmAUrv-7VUu00ha
publish_expires=3600
nat_policy_ref=zULPmwyLyYty5~4

[proxy_1]
reg_proxy=sip:sip.linphone.org
reg_identity=sip:xxxxxxxxxxxxxxxxxxxxxxx
contact_parameters=message-expires=604800
quality_reporting_enabled=0
quality_reporting_interval=0
reg_expires=3600
reg_sendregister=1
publish=1
avpf=0
avpf_rr_interval=5
dial_escape_plus=0
privacy=32768
push_notification_allowed=0
idkey=proxy_config_9MnTjJCxIzmWHQw
publish_expires=3600
nat_policy_ref=kub6HSNRG6YtACE

[proxy_2]
reg_proxy=<sip:iptel.org;transport=udp>
reg_identity=sip:xxxxxxxxxxxxxxxxxxxxxxxxxxxx
contact_parameters=message-expires=604800
quality_reporting_enabled=0
quality_reporting_interval=0
reg_expires=3600
reg_sendregister=1
publish=0
avpf=-1
avpf_rr_interval=1
dial_escape_plus=0
privacy=32768
push_notification_allowed=0
idkey=proxy_config_~cdlBiF9cvezQDy
publish_expires=3600
nat_policy_ref=HbQOjThbQhY6cq1

[nat_policy_4]
ref=HbQOjThbQhY6cq1

[auth_info_0]
--[snip]--

[auth_info_1]
 -- [snip]--

[auth_info_2]
 ---------

[auth_info_3]
------------------

[auth_info_4]
--------------------

[auth_info_5]
--------------------

[auth_info_6]
 ............

[auth_info_7]
 --

[auth_info_8]
--

[auth_info_9]
--[more snipped]---

-----------------------------------------------------------------------

ael