FS-4819 --resolve we can match the one offered just for the sake of interop since...

diff --git a/src/mod/applications/mod_spandsp/mod_spandsp_fax.c b/src/mod/applications/mod_spandsp/mod_spandsp_fax.c
index db9d8c1f2ace3bbfb80edbff31467e567ad57965..c76fda6637a2d1daeaa8df3628564ea9133d49a4 100644 (file)
--- a/src/mod/applications/mod_spandsp/mod_spandsp_fax.c
+++ b/src/mod/applications/mod_spandsp/mod_spandsp_fax.c
@@ -1089,7 +1089,9 @@ static t38_mode_t negotiate_t38(pvt_t *pvt)
                t38_options->T38FaxTranscodingMMR = 0;
                t38_options->T38FaxTranscodingJBIG = 0;
                t38_options->T38FaxRateManagement = "transferredTCF";
-               t38_options->T38FaxMaxBuffer = 2000;
+        if (!t38_options->T38FaxMaxBuffer) {
+            t38_options->T38FaxMaxBuffer = 2000;
+        }
                t38_options->T38FaxMaxDatagram = LOCAL_FAX_MAX_DATAGRAM;
                if (!zstr(t38_options->T38FaxUdpEC) &&
                                (strcasecmp(t38_options->T38FaxUdpEC, "t38UDPRedundancy") == 0 ||