diff --git a/htdocs/core/lib/functions.lib.php b/htdocs/core/lib/functions.lib.php
index 2f9cb532708..ca21a5d922b 100644
--- a/htdocs/core/lib/functions.lib.php
+++ b/htdocs/core/lib/functions.lib.php
@@ -2920,6 +2920,8 @@ function dol_print_phone($phone, $countrycode = '', $cid = 0, $socid = 0, $addli
 			$newphone = substr($newphone, 0, 3).$separ.substr($newphone, 3, 2).$separ.substr($newphone, 5, 2).$separ.substr($newphone, 7, 2).$separ.substr($newphone, 9, 2);
 		} elseif (dol_strlen($phone) == 12) {
 			$newphone = substr($newphone, 0, 3).$separ.substr($newphone, 3, 1).$separ.substr($newphone, 4, 2).$separ.substr($newphone, 6, 2).$separ.substr($newphone, 8, 2).$separ.substr($newphone, 10, 2);
+		} elseif (dol_strlen($phone) == 13) {
+			$newphone = substr($newphone, 0, 4).$separ.substr($newphone, 4, 2).$separ.substr($newphone, 6, 2).$separ.substr($newphone, 8, 3).$separ.substr($newphone, 11, 2);	// InfraS add
 		}
 	} elseif (strtoupper($countrycode) == "CA") {
 		if (dol_strlen($phone) == 10) {