typo

src/mod/endpoints/mod_sofia/mod_sofia.c

@@ -1936,8 +1936,8 @@ static switch_status_t sofia_receive_message(switch_core_session_t *session, swi
 			}
 			sofia_glue_tech_set_local_sdp(tech_pvt, NULL, SWITCH_FALSE);
 
-            if (switch_true(switch_channel_get_variable(session->channel, "bypass_keep_codec"))) {
-                switch_channel_set_variable(session->channel, "absolute_codec_string", switch_channel_get_variable(session->channel, "ep_codec_string"));
+            if (switch_true(switch_channel_get_variable(tech_pvt->channel, "bypass_keep_codec"))) {
+                switch_channel_set_variable(tech_pvt->channel, "absolute_codec_string", switch_channel_get_variable(tech_pvt->channel, "ep_codec_string"));
             }