String name = configurationProperties.getProperty("javax.sip.STACK_NAME");
if (name == null)
throw new PeerUnavailableException("stack name is missing");
super.setStackName(name);
// To log debug messages.
this.logWriter = new LogWriter(configurationProperties);
// Server log file.
this.serverLog = new ServerLog(this, configurationProperties);
// Default router -- use this for routing SIP URIs.