ChannelDescription sometimes used as V, sometimes as LV field
diff --git a/sysinfo/GSM_SystemInformation.ttcn b/sysinfo/GSM_SystemInformation.ttcn
index 8001dd9..74852d4 100644
--- a/sysinfo/GSM_SystemInformation.ttcn
+++ b/sysinfo/GSM_SystemInformation.ttcn
@@ -142,7 +142,7 @@
LocationAreaIdentification lai,
CellSelectionParameters cell_sel_par,
RachControlParameters rach_control,
- ChannelDescription cbch_chan_desc optional,
+ ChannelDescriptionTV cbch_chan_desc optional,
MobileAllocationT cbch_mobile_alloc optional,
RestOctets rest_octets
} with { variant "TAG(cbch_chan_desc, iei = '64'O; cbch_mobile_alloc, iei = '72'O)" };