NEW: If the Visiblu audio service cannot be started, it is now possible to select 'ignore' and continue into Solo with no audio. Additionally, buddies with no audio no longer attempt to start the Visiblu audio service which is not required in this configuration.
NEW: Default device is now first available device. E.g. if handset is not currently registered, the default device will be the first Solo device instead of the handset.
FIX: SDP Content header now matched regardless of capitalisation (to support Linksys implementation of SIP protocol).