code: public void billingAccount_abbreviatedNumber_abbreviatedNumber_PUT(String billingAccount, Long abbreviatedNumber, OvhAbbreviatedNumberGroup body) throws IOException {
  		String qPath = "/telephony/{billingAccount}/abbreviatedNumber/{abbreviatedNumber}";
  		StringBuilder sb = path(qPath, billingAccount, abbreviatedNumber);
  		exec(qPath, "PUT", sb.toString(), body);
  	}
docs: Alter this object properties
  
  REST: PUT /telephony/{billingAccount}/abbreviatedNumber/{abbreviatedNumber}
  @param body [required] New object properties
  @param billingAccount [required] The name of your billingAccount
  @param abbreviatedNumber [required] The abbreviated number which must start with "7" and must have a length of 3 or 4 digits