sb.append("<h1>Voice Mail</h1>");
sb.append(
"Routes a call to a users voicemail box on the assumption that the last few digits of the DID are also the");
sb.append(" staff members voicemail box no.<br>");
sb.append("<h3>Extension Length</h3>");
sb.append(
"The 'Extension Length' used to determine how many of the DID digits (starting from the end) are to be used ");
sb.append("as the Voicemail box no.<br>");
sb.append("<h2>Example</h2>");
sb.append(
"A staff member has a Direct In Dial (DID) number of 03 8320 8111, their extension no. is 111 and their voicemail box ");
sb.append("is also 111.<br>");
sb.append(
"In this case you would set the Extension Length to three (3) indicating that the last 3 digits of the DID are to be used ");
sb.append("as the voicemail box.<br>");
sb.append("So 03 8320 8111 becomes Voicmail box 111.");