diff --git a/Resources/linphonerc-factory b/Resources/linphonerc-factory
index 0a8cc554d..89c2077d6 100644
--- a/Resources/linphonerc-factory
+++ b/Resources/linphonerc-factory
@@ -30,6 +30,9 @@ accept_early_media=0
 only_secure_chatrooms=0
 fetch_native_contacts=1
 
+[rtp]
+accept_any_encryption=1
+
 [sip]
 deliver_imdn=1
 linphone_specs=groupchat,lime
@@ -46,3 +49,6 @@ eq_location=mic
 [account_creator]
 backend=0
 
+[video]
+max_conference_size=vga
+