Introduce t.38 parameters control functionality not full but enough for

Send/RcvFax support

Introduce t.38 controls between asterisk core and channel/proto layers.
Not all parameters are transferred from proto layers but *Fax apps
tested and work ok.

(issue #18693)
Reported by: benngard2
Patches:
      issue-18693.patch uploaded by may213 (license 454)

git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.8@310734 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/addons/chan_ooh323.c b/addons/chan_ooh323.c
index d469ed60de047641c0b8500c4a4e37d0073f464f..7909db476ec9028e20458a09cd10389525d29a41 100644 (file)
--- a/addons/chan_ooh323.c
+++ b/addons/chan_ooh323.c
@@ -514,6 +514,7 @@ static struct ooh323_pvt *ooh323_alloc(int callref, char *callToken)
        }
 
        ast_udptl_set_error_correction_scheme(pvt->udptl, UDPTL_ERROR_CORRECTION_NONE);
+       ast_udptl_set_far_max_datagram(pvt->udptl, 144);
        pvt->faxmode = 0;
        pvt->t38support = gT38Support;
        pvt->rtptimeout = gRTPTimeout;
@@ -4131,11 +4132,14 @@ void setup_udptl_connection(ooCallData *call, const char *remoteIp,
        them.sin_port = htons(remotePort);
        ast_sockaddr_from_sin(&them_addr, &them);
        ast_udptl_set_peer(p->udptl, &them_addr);
+       ast_udptl_set_tag(p->udptl, p->owner->name);
        p->t38_tx_enable = 1;
        p->lastTxT38 = time(NULL);
        if (p->t38support == T38_ENABLED) {
                struct ast_control_t38_parameters parameters = { .request_response = 0 };
                parameters.request_response = AST_T38_NEGOTIATED;
+               parameters.max_ifp = ast_udptl_get_far_max_ifp(p->udptl);
+               parameters.rate = AST_T38_RATE_14400;
                ast_queue_control_data(p->owner, AST_CONTROL_T38_PARAMETERS, &parameters, sizeof(parameters));
        }
        if (gH323Debug)
@@ -4325,6 +4329,16 @@ void onModeChanged(ooCallData *call, int t38mode) {
 
                        struct ast_control_t38_parameters parameters = { .request_response = 0 };
                        parameters.request_response = AST_T38_REQUEST_NEGOTIATE;
+                       if (call->T38FarMaxDatagram) {
+                               ast_udptl_set_far_max_datagram(p->udptl, call->T38FarMaxDatagram);
+                       } else {
+                               ast_udptl_set_far_max_datagram(p->udptl, 144);
+                       }
+                       if (call->T38Version) {
+                               parameters.version = call->T38Version;
+                       }
+                       parameters.max_ifp = ast_udptl_get_far_max_ifp(p->udptl);
+                       parameters.rate = AST_T38_RATE_14400;
                        ast_queue_control_data(p->owner, AST_CONTROL_T38_PARAMETERS, 
                                                        &parameters, sizeof(parameters));
                        p->faxmode = 1;
@@ -4334,6 +4348,8 @@ void onModeChanged(ooCallData *call, int t38mode) {
                if (p->t38support == T38_ENABLED) {
                        struct ast_control_t38_parameters parameters = { .request_response = 0 };
                        parameters.request_response = AST_T38_REQUEST_TERMINATE;
+                       parameters.max_ifp = ast_udptl_get_far_max_ifp(p->udptl);
+                       parameters.rate = AST_T38_RATE_14400;
                        ast_queue_control_data(p->owner, AST_CONTROL_T38_PARAMETERS, 
                                                        &parameters, sizeof(parameters));
                }

diff --git a/addons/ooh323c/src/ooCalls.h b/addons/ooh323c/src/ooCalls.h
index 8f367769fe9874a81e1932ac922ff713baf0d01f..5c260408791d67e63f9dcde7abaaa9e8570f86b2 100644 (file)
--- a/addons/ooh323c/src/ooCalls.h
+++ b/addons/ooh323c/src/ooCalls.h
@@ -214,6 +214,8 @@ typedef struct OOH323CallData {
    ASN1UINT8           requestSequence;
    ASN1UINT            reqFlags;
    ASN1UINT            t38sides;
+   int                 T38FarMaxDatagram;
+   int                 T38Version;
    H235TimeStamp       alertingTime, connectTime, endTime; /* time data for gatekeeper */
    FastStartResponse    *pFastStartRes; /* fast start response */
    struct OOH323Regex*         rtpMask;

diff --git a/addons/ooh323c/src/ooCapability.c b/addons/ooh323c/src/ooCapability.c
index 3918640182e4ba3636474b08b92ed445e51b34d0..18a25f3751db98d1604ad306f37bff3d01332e55 100644 (file)
--- a/addons/ooh323c/src/ooCapability.c
+++ b/addons/ooh323c/src/ooCapability.c
@@ -2710,6 +2710,12 @@ int ooAddRemoteDataApplicationCapability(OOH323CallData *call,
    switch(dataCap->application.t)
    {
    case T_H245DataApplicationCapability_application_t38fax:
+      if (dataCap->application.u.t38fax->t38FaxProfile.m.t38FaxUdpOptionsPresent) {
+       call->T38FarMaxDatagram = dataCap->application.u.t38fax->t38FaxProfile.t38FaxUdpOptions.t38FaxMaxDatagram;
+      }
+      if (dataCap->application.u.t38fax->t38FaxProfile.m.versionPresent) {
+       call->T38Version = dataCap->application.u.t38fax->t38FaxProfile.version;
+      }
       return ooCapabilityAddT38Capability(call, OO_T38,
                                             dir, NULL, NULL, NULL, NULL,TRUE);
    default: