diff --git a/sylk/configuration/__init__.py b/sylk/configuration/__init__.py
index 077ba14..d811f87 100644
--- a/sylk/configuration/__init__.py
+++ b/sylk/configuration/__init__.py
@@ -1,87 +1,87 @@
 
 from application.configuration import ConfigSection, ConfigSetting
 from application.configuration.datatypes import NetworkRangeList, StringList
 from application.system import host
 from sipsimple.configuration.datatypes import NonNegativeInteger, SampleRate
 
 from sylk import configuration_filename
 from sylk.configuration.datatypes import AudioCodecs, IPAddress, Path, Port, PortRange, SIPProxyAddress, SRTPEncryption
 from sylk.resources import Resources, VarResources
 from sylk.tls import Certificate, PrivateKey
 
 
 class ServerConfig(ConfigSection):
     __cfgfile__ = configuration_filename
     __section__ = 'Server'
 
     ca_file = ConfigSetting(type=Path, value=Path(Resources.get('tls/ca.crt')))
     certificate = ConfigSetting(type=Path, value=Path(Resources.get('tls/default.crt')))
     verify_server = False
     enable_bonjour = False
     default_application = 'conference'
     application_map = ConfigSetting(type=StringList, value=['echo:echo'])
     disabled_applications = ConfigSetting(type=StringList, value='')
     extra_applications_dir = ConfigSetting(type=Path, value=None)
     trace_dir = ConfigSetting(type=Path, value=Path(VarResources.get('log/sylkserver')))
     trace_core = False
     trace_sip = False
     trace_msrp = False
     trace_notifications = False
     spool_dir = ConfigSetting(type=Path, value=Path(VarResources.get('spool/sylkserver')))
 
 
 class SIPConfig(ConfigSection):
     __cfgfile__ = configuration_filename
     __section__ = 'SIP'
 
     local_ip = ConfigSetting(type=IPAddress, value=IPAddress(host.default_ip))
     local_udp_port = ConfigSetting(type=Port, value=5060)
     local_tcp_port = ConfigSetting(type=Port, value=5060)
     local_tls_port = ConfigSetting(type=Port, value=5061)
     advertised_ip = ConfigSetting(type=IPAddress, value=None)
     outbound_proxy = ConfigSetting(type=SIPProxyAddress, value=None)
     trusted_peers = ConfigSetting(type=NetworkRangeList, value=NetworkRangeList('any'))
     enable_ice = False
 
 
 class MSRPConfig(ConfigSection):
     __cfgfile__ = configuration_filename
     __section__ = 'MSRP'
 
     use_tls = True
 
 
 class RTPConfig(ConfigSection):
     __cfgfile__ = configuration_filename
     __section__ = 'RTP'
 
-    audio_codecs = ConfigSetting(type=AudioCodecs, value=['opus', 'speex', 'G722', 'PCMA', 'PCMU'])
+    audio_codecs = ConfigSetting(type=AudioCodecs, value=['opus', 'G722', 'speex', 'PCMA', 'PCMU'])
     port_range = ConfigSetting(type=PortRange, value=PortRange('50000:50500'))
     srtp_encryption = ConfigSetting(type=SRTPEncryption, value='opportunistic')
     timeout = ConfigSetting(type=NonNegativeInteger, value=30)
     sample_rate = ConfigSetting(type=SampleRate, value=32000)
 
 
 class WebServerConfig(ConfigSection):
     __cfgfile__ = configuration_filename
     __section__ = 'WebServer'
 
     local_ip = ConfigSetting(type=IPAddress, value=IPAddress(host.default_ip))
     local_port = ConfigSetting(type=Port, value=10888)
     hostname = ''
     certificate = ConfigSetting(type=Path, value=None)
     certificate_chain = ConfigSetting(type=Path, value=None)
 
 
 class ThorNodeConfig(ConfigSection):
     __cfgfile__ = configuration_filename
     __section__ = 'ThorNetwork'
 
     enabled = False
     domain = "sipthor.net"
     multiply = 1000
     certificate = ConfigSetting(type=Certificate, value=None)
     private_key = ConfigSetting(type=PrivateKey, value=None)
     ca = ConfigSetting(type=Certificate, value=None)