diff --git a/jni/pjproject-android/third_party/ilbc/iCBSearch.h b/jni/pjproject-android/third_party/ilbc/iCBSearch.h
new file mode 100644
index 0000000..a61db15
--- /dev/null
+++ b/jni/pjproject-android/third_party/ilbc/iCBSearch.h
@@ -0,0 +1,37 @@
+
+   /******************************************************************
+
+       iLBC Speech Coder ANSI-C Source Code
+
+       iCBSearch.h
+
+       Copyright (C) The Internet Society (2004).
+       All Rights Reserved.
+
+   ******************************************************************/
+
+   #ifndef __iLBC_ICBSEARCH_H
+   #define __iLBC_ICBSEARCH_H
+
+
+
+
+
+
+   void iCBSearch(
+       iLBC_Enc_Inst_t *iLBCenc_inst,
+                           /* (i) the encoder state structure */
+       int *index,         /* (o) Codebook indices */
+       int *gain_index,/* (o) Gain quantization indices */
+       float *intarget,/* (i) Target vector for encoding */
+       float *mem,         /* (i) Buffer for codebook construction */
+       int lMem,           /* (i) Length of buffer */
+       int lTarget,    /* (i) Length of vector */
+       int nStages,    /* (i) Number of codebook stages */
+       float *weightDenum, /* (i) weighting filter coefficients */
+       float *weightState, /* (i) weighting filter state */
+       int block           /* (i) the sub-block number */
+   );
+
+   #endif
+