Index: channels/chan_sip.c
===================================================================
--- channels/chan_sip.c	(revision 58637)
+++ channels/chan_sip.c	(working copy)
@@ -9005,6 +9005,7 @@
 		if ((c = strchr(of, ':')))
 			*c = '\0';
 		tmp = ast_strdupa(of);
+		tmp = strsep(&tmp, ";");   /* strip ; and beyond */
 		if (ast_is_shrinkable_phonenumber(tmp))
 			ast_shrink_phone_number(tmp);
 		ast_string_field_set(p, cid_num, tmp);