chan_sip: ICE contained square brackets around IPv6 addresses.

ASTERISK-27434

Change-Id: Iaeed89b4fa05d94c5f0ec2d3b7cd6e93d2d5a8f7

channels/chan_sip.c

@@ -13011,7 +13011,7 @@ static void add_ice_to_sdp(struct ast_rtp_instance *instance, struct ast_str **a
 
 	while ((candidate = ao2_iterator_next(&i))) {
 		ast_str_append(a_buf, 0, "a=candidate:%s %u %s %d ", candidate->foundation, candidate->id, candidate->transport, candidate->priority);
-		ast_str_append(a_buf, 0, "%s ", ast_sockaddr_stringify_host(&candidate->address));
+		ast_str_append(a_buf, 0, "%s ", ast_sockaddr_stringify_addr_remote(&candidate->address));
 
 		ast_str_append(a_buf, 0, "%s typ ", ast_sockaddr_stringify_port(&candidate->address));
 
@@ -13024,7 +13024,7 @@ static void add_ice_to_sdp(struct ast_rtp_instance *instance, struct ast_str **a
 		}
 
 		if (!ast_sockaddr_isnull(&candidate->relay_address)) {
-			ast_str_append(a_buf, 0, " raddr %s ", ast_sockaddr_stringify_host(&candidate->relay_address));
+			ast_str_append(a_buf, 0, " raddr %s ", ast_sockaddr_stringify_addr_remote(&candidate->relay_address));
 			ast_str_append(a_buf, 0, "rport %s", ast_sockaddr_stringify_port(&candidate->relay_address));
 		}