@@ -2022,13 +2022,14 @@ modparam("rtpengine", "control_cmd_tos", 144)

 		<title><varname>hash_algo</varname> (integer)</title>

 		<para>

 			Hashing algorithm to be used in node selection algorithm. Now there are 2 possibilities: legacy

-			algorithm - 0(very basic hash over callid) or SHA1 - 1(apply sha1 over the callid and calculate hash).

+			algorithm - 0(very basic hash over callid), SHA1 - 1(apply sha1 over the callid and calculate hash) or

+			CRC32 - 2(calculate crc32 sum over the callid).

 		</para>

 		<para>

 			Default value is 0, legacy algorithm.

 		</para>

 		<para>

-			The values not falling into the range <quote>0-1</quote> are ignored.

+			The values not falling into the range <quote>0-2</quote> are ignored.

 		</para>

 		<example>

 		<title>Set <varname>control_cmd_tos</varname> parameter</title>

@@ -2036,6 +2037,9 @@ modparam("rtpengine", "control_cmd_tos", 144)

 ...

 ### use SHA1 instead of legacy algorithm

 modparam("rtpengine", "hash_algo", 1)

+

+### use CRC32 instead of legacy algorithm

+modparam("rtpengine", "hash_algo", 2)

 ...

 </programlisting>

 		</example>

@@ -2974,6 +2974,9 @@ select_rtpp_node_new(str callid, str viabranch, int do_test, struct rtpp_node **

 			}

 			break;

+		case RTP_HASH_CRC32_CALLID:

+			crc32_uint(&callid, &sum);

+			goto retry;

 		default:

 			LM_ERR("unknown hashing algo %d\n", hash_algo);

 			return NULL;

@@ -2991,6 +2994,7 @@ select_rtpp_node_new(str callid, str viabranch, int do_test, struct rtpp_node **

 	}

 retry:

+	LM_DBG("sum is = %u\n", sum);

 	weight_sum = 0;

 	lock_get(active_rtpp_set->rset_lock);

@@ -103,6 +103,6 @@ extern str rtpp_url_col;

 extern str rtpp_weight_col;

 extern str rtpp_disabled_col;

-enum hash_algo_t { RTP_HASH_CALLID, RTP_HASH_SHA1_CALLID};

+enum hash_algo_t { RTP_HASH_CALLID, RTP_HASH_SHA1_CALLID, RTP_HASH_CRC32_CALLID };

 #endif