ZyXEL ACCESSING INTERNET & INTRANET omni series Manual de usuario Pagina 73
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V.120 ISDN Communications 61
Once this is done, the ATD command will generate two consecutive
SETUP messages to invoke bundle initiation.
For the Northern Telecom switch, each BRI phone number can only
be called once at any given time. So if you dial this number, it will
report “busy” to any other incoming calls. In order to use two B
channels for aggregation, we must place two calls with different
phone numbers. To do this, separate the two numbers with a “+” sign
after the “ATD” command:
ATDI[phone_number_1]+[phone_number_2]<Enter>
The answering TA determines that the call is a bundle request: when
AT&J3 is set, and two consecutive SETUP messages are received.
The two data calls are established as one message. The phone
company’s ISDN line splits it off into two messages. That is, the
ISDN network treats them as two independent calls. Finally, the
receiving side receives one bundled message into the computer’s
serial port.
The success of a bundle connection initiation is indicated by the
connect message reported to the DTE:
CONNECT 115200/V120M 128K/LAPD
or
CONNECT 115200/V120M 128K/LAPD/V42b (with data compression)
If you are not using American ISDN, you can have a choice between
Multiple Link Protocol (MLP) or “cFos” channel bundling (CCB)
two bundle protocols. You can set them by using the following
commands:
ATS100=0 MLP channel bundling
ATS100=1 CCB channel bundling
Dialing pre-stored phone numbers
Use ATDSn, n=0,1,..,39, to dial the (n+1)th phone number twice for
both the bundle connections. Use ATDSn+Sm, (n and n=0,1,...,39)
- User’s Manual 1
- ZyXEL Limited Warranty 2
- FCC Part 15 Information 3
- Contacting ZyXEL 5
- Contents 7
- 1 Introduction 13
- Key to Model Differentiation 14
- Key Features of the omni 14
- Intelligent Features 15
- Technical Specifications 15
- Unpacking Your omni 16
- 6 Introduction 18
- 2 Installing omni External 19
- Back Panel 21
- Connecting to Your Computer 22
- Connecting to Your ISDN Line 24
- Power On and Self Diagnostics 25
- 3 Installing omni Internal 27
- Connecting the TA to your PC 28
- Plug and Play 28
- U Interface Model 31
- S/T Interface 31
- 4 Configuring Your ISDN 33
- 5 ISDN Communication 37
- Supported AT command types: 38
- Outgoing Calls 39
- Internal) 40
- Incoming Calls 41
- Digital Data 42
- Determining the Packet Length 42
- Answering a Call using MSN 43
- Data over Speech Channel 45
- 6 Setup for Windows 95 47
- Networking 50
- CAPI Installation 54
- 7 Point-to-Point Protocol 56
- Feature list 57
- Multilink PPP 59
- Call bumping 59
- Bandwidth On Demand (BOD) 60
- BACP/BAP 61
- 8 V.110 and Synchronous 63
- Making V.110 Calls 64
- V.25bis Command Set 65
- DTR Drop-Dialing Operation 66
- 9 V.120 ISDN 69
- Configuring the V.120 mode 70
- Answering incoming calls 71
- Speeds of 128Kbps 72
- ISDN (1TR6) 75
- 64 V.120 ISDN Communications 76
- 10 X.75 ISDN 77
- Answering an X.75 call 78
- Making an X.75 Call 78
- 70 X.75 ISDN Communications 82
- 11 Handling Analog Calls 83
- Accepting an Incoming Call 85
- Feature Phone (omni.net) 87
- Call Waiting 88
- Placing a second call 88
- Receiving a second call 88
- Call Broker 89
- Call Reject 89
- Call Transfer 89
- Three-way Conference Call 89
- 12 Advanced ISDN Call 91
- AT&ZOx=s. The 93
- Answering a Call 97
- Answering a Call for 1TR6 98
- Best-effort Call Answering 98
- Data Call Indication 99
- RING <CR><LF> 100
- Placing a Call 101
- Placing a call for 1TR6 102
- Leased Line ISDN 103
- 13 Security Functions 105
- Level 1 security 106
- Level 2 security 106
- Level 3 security 106
- Security Functions 97 109
- 14 Upgrading Your omni 110
- Kernel Mode 111
- 15 Diagnostics 112
- Power-on Self-test 113
- The Diagnostic Command (ATCG) 114
- Resetting The omni 115
- Capturing the Protocol Data 116
- Analyzing the Captured Data 117
- Diagnostics 107 119
- 16 AT Command Set 120
- AT Command Descriptions 121
- Description of ATI3 Output: 129
- 124 AT Command Set Reference 136
- 17 Status Registers and 137
- Setting S-registers 138
- S-Register Descriptions 139
- ATS35.7=1<enter> 160
- 18 Phone Jack Pinout 162
- 4. Not Connected 163
- 19 Serial Port Interface 164
- 20 Index 166
- Index 155 167
- Bundled, 62 167
- 156 Index 168
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