BSSAP: HO Request Ack: add missing Codec List (BSS Supported)

Related: SYS#5839
Related: I3c0576505a3ceb3cd5cc31dc69c5bc4a86a4ea08 (osmo-bsc)
Change-Id: Iab0a7b4d81592157fc111d1adb9e9f4cb53a94e9
diff --git a/src/gsm/gsm0808.c b/src/gsm/gsm0808.c
index 4f9c687..7013d8d 100644
--- a/src/gsm/gsm0808.c
+++ b/src/gsm/gsm0808.c
@@ -1045,6 +1045,12 @@
 	if (params->aoip_transport_layer)
 		gsm0808_enc_aoip_trasp_addr(msg, params->aoip_transport_layer);
 
+	/* AoIP: add Codec List (BSS Supported) 3.2.2.103.
+	 * (codec_list_bss_supported was added to struct gsm0808_handover_request_ack later than speech_codec_chosen
+	 * below, but it needs to come before it in the message coding). */
+	if (params->more_items && params->codec_list_bss_supported.len)
+		gsm0808_enc_speech_codec_list(msg, &params->codec_list_bss_supported);
+
 	/* AoIP: Speech Codec (Chosen) 3.2.2.104 */
 	if (params->speech_codec_chosen_present)
 		gsm0808_enc_speech_codec(msg, &params->speech_codec_chosen);