[gsm48] Handle the RR CHAN MODIFY ACK in the gsm04_08_utils
Move the handling code to the gsm_04_08_utils.c and add a
note that the method value needs to be checked.
diff --git a/openbsc/src/gsm_04_08.c b/openbsc/src/gsm_04_08.c
index a29d036..12cc362 100644
--- a/openbsc/src/gsm_04_08.c
+++ b/openbsc/src/gsm_04_08.c
@@ -1587,11 +1587,7 @@
rc = gsm48_rx_rr_pag_resp(msg);
break;
case GSM48_MT_RR_CHAN_MODE_MODIF_ACK:
- DEBUGP(DRR, "CHANNEL MODE MODIFY ACK\n");
- /* We've successfully modified the MS side of the channel,
- * now go on to modify the BTS side of the channel */
- msg->lchan->rsl_cmode = RSL_CMOD_SPD_SPEECH;
- rc = rsl_chan_mode_modify_req(msg->lchan);
+ rc = gsm48_rx_rr_modif_ack(msg);
break;
case GSM48_MT_RR_STATUS:
rc = gsm48_rx_rr_status(msg);