EVENT DOWNLOAD CHANNEL STATUS

1. Channel Status*
1. Channel Status Tag = '38'
   
2. Length = '02'
   
3. Channel Status
1. bit 1 -3 : Channel Identifier 1- 7 , 0 --> No Channel Available
2. BIP TCP Client
• bit 4-7 : RFU
• bit 8 : 0 -> Link not established/Packet data service not activated, 1 -> Opposite
  
3. BIP TCP Server
• bit 4-6 : RFU
• bit 7-8 :
  
• 00 = TCP in CLOSED state
• 01 = TCP in LISTEN state
• 10 = TCP in ESTABLISHED state
• 11 = reserved

2. Device identities*
1. device identities tag = '82'
   
2. Length = '02'
3. Source Device identity = '82' --> Terminal
4. Destination Device Identity ='81' --> UICC
3. Event List*
1. Event List Tag= '19'
   
2. Length = '01'
3. Event List : Channel Status = '0A'
4. Bearer Description
1. Bearer Description Tag = '35'
2. Length
   
3. Bearer Type = '02' (GSM/3GPP) --> GPRS
   
4. Bearer Parameter
1. Precedence Class ( Priority) = '00'
   
2. Delay Class = '00'
   
3. Reability Class = '03'
   
4. Peak Throughput '00'
   
5. Mean Throughput = '00'
   
6. PDP IP = '02'
5. Other Data Destination Address Tag = '3E'
1. Length = '05'
   
2. Type of Address = '21' (IPv4)
3. Address ( 4 byte , XX.XX.XX.XX)

You don't need to remember the tag value if you use appendTLV function. All of the tag value are explained briefly in uicc.toolkit.ToolkitConstant library.

note :
* mark means mandatory
Only one event in Event list
Bearer Description is needed after OPEN Channel