code: public void billingAccount_line_serviceName_dissociateDevice_POST(String billingAccount, String serviceName, String ipAddress, String macAddress) throws IOException {
  		String qPath = "/telephony/{billingAccount}/line/{serviceName}/dissociateDevice";
  		StringBuilder sb = path(qPath, billingAccount, serviceName);
  		HashMap<String, Object>o = new HashMap<String, Object>();
  		addBody(o, "ipAddress", ipAddress);
  		addBody(o, "macAddress", macAddress);
  		exec(qPath, "POST", sb.toString(), o);
  	}
docs: Dissociate a device from the current line with the device mac address
  
  REST: POST /telephony/{billingAccount}/line/{serviceName}/dissociateDevice
  @param macAddress [required] The mac address of the device you want to dissociate from the line (format: AABBCCDDEEFF)
  @param ipAddress [required] The public phone IP address allowed to get phone's configuration
  @param billingAccount [required] The name of your billingAccount
  @param serviceName [required]