Index: pbx/pbx_config.c
===================================================================
--- pbx/pbx_config.c	(revision 312948)
+++ pbx/pbx_config.c	(working copy)
@@ -1620,7 +1620,7 @@
 	struct ast_config *cfg;
 	char *cat, *chan;
 	const char *dahdichan;
-	const char *hasexten, *altexts;
+	const char *hasexten, *mailbox, *altexts;
 	char tmp[256];
 	char iface[256];
 	char dahdicopy[256];
@@ -1700,7 +1700,8 @@
 			ast_add_extension2(con, 0, cat, -1, NULL, NULL, iface, NULL, NULL, registrar);
 			/* If voicemail, use "stdexten" else use plain old dial */
 			if (hasvoicemail) {
-				snprintf(tmp, sizeof(tmp), "stdexten,%s,${HINT}", cat);
+				mailbox = ast_variable_retrieve(cfg, cat, "mailbox");
+				snprintf(tmp, sizeof(tmp), "stdexten,%s,${HINT}", (mailbox?mailbox:cat));
 				ast_add_extension2(con, 0, cat, 1, NULL, NULL, "Macro", strdup(tmp), ast_free_ptr, registrar);
 			} else {
 				ast_add_extension2(con, 0, cat, 1, NULL, NULL, "Dial", strdup("${HINT}"), ast_free_ptr, registrar);
@@ -1712,6 +1713,7 @@
 				c = altcopy;
 				ext = strsep(&c, ",");
 				while (ext) {
+					ast_add_extension2(con, 0, ext, -1, NULL, NULL, iface, NULL, NULL, registrar);
 					ast_add_extension2(con, 0, ext, 1, NULL, NULL, "Goto", strdup(tmp), ast_free_ptr, registrar);
 					ext = strsep(&c, ",");
 				}
Index: apps/app_voicemail.c
===================================================================
--- apps/app_voicemail.c	(revision 312948)
+++ apps/app_voicemail.c	(working copy)
@@ -12142,7 +12142,11 @@
 			for (cat = ast_category_browse(ucfg, NULL); cat ; cat = ast_category_browse(ucfg, cat)) {
 				if (!ast_true(ast_config_option(ucfg, cat, "hasvoicemail")))
 					continue;
-				if ((current = find_or_create(userscontext, cat))) {
+				val = ast_variable_retrieve(ucfg, cat, "mailbox");
+				if ((current = find_or_create(userscontext, (val ? val : cat)))) {
 					populate_defaults(current);
 					apply_options_full(current, ast_variable_browse(ucfg, cat));
 					ast_copy_string(current->context, userscontext, sizeof(current->context));
Index: configs/users.conf.sample
===================================================================
--- configs/users.conf.sample	(revision 312948)
+++ configs/users.conf.sample	(working copy)
@@ -104,6 +104,10 @@
 ; alternateexts entry.
 ;
 ;alternateexts = 7057,3249
+;
+; Specify voicemail mailbox.  Useful with alphanumeric extensions.
+;
+;mailbox = 7057
 ;macaddress = 112233445566
 ;autoprov = yes
 ;LINEKEYS = 1