- Fixed HLC (higher layer capability) modification to LCR routing.

[lcr.git] / chan_lcr.c

diff --git a/chan_lcr.c b/chan_lcr.c
index 0013f2f..040f921 100644 (file)
--- a/chan_lcr.c
+++ b/chan_lcr.c
@@ -612,6 +612,7 @@ static void send_setup_to_lcr(struct chan_call *call)
 {
        union parameter newparam;
        struct ast_channel *ast = call->ast;
+       const char *tmp;
 
        if (!call->ast || !call->ref)
                return;
@@ -664,6 +665,9 @@ static void send_setup_to_lcr(struct chan_call *call)
                default:
                newparam.setup.callerinfo.ntype = INFO_NTYPE_UNKNOWN;
        }
+       tmp = pbx_builtin_getvar_helper(ast, "LCR_TRANSFERCAPABILITY");
+       if (tmp && *tmp)
+               ast->transfercapability = atoi(tmp);
        newparam.setup.capainfo.bearer_capa = ast->transfercapability;
        newparam.setup.capainfo.bearer_mode = INFO_BMODE_CIRCUIT;
        if (call->hdlc)
@@ -2823,6 +2827,12 @@ int load_module(void)
                                 "   vt - txgain control\n"
                                 "        Volume changes at factor 2 ^ optarg.\n"
                                 "    k - use keypad to dial this call.\n"
+                                "\n"
+                                "set LCR_TRANSFERCAPABILITY to the numerical bearer capabilty in order to alter caller's capability\n"
+                                " -> use 16 for fax (3.1k audio)\n"
+                                "\n"
+                                "To send a fax, you need to set LCR_TRANSFERCAPABILITY environment to 16, also you need to set\n"
+                                "options: \"n:t:q250\" for seamless audio transmission.\n"
                );