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MultiVOIP FXS User Guide Technical Configuration
61
The IP Datagram with Header, Its Type-of-Service field, & DiffServ
bits =>
0 4 8 16 19 24 31
VERS HLEN
TYPE OF
SERVICE
TOTAL LENGTH
IDENTIFICATION
FLAGS
FRAGMENT OFFSET
TIME TO LIVE PROTOCOL HEADER CHECKSUM
SOURCE IP ADDRESS
DESTINATION IP ADDRESS
IP OPTIONS (if any) PADDING …
end of header
DATA
…
The TOS field consists of eight bits, of which only the first six are used. These six bits are called the “Differentiated Service
Codepoint” or DSCP bits.
The Type of Service or “TOS” field
0 1 2 3 4 5 6 7
PRECEDENCE D T R
unused
three precedence have eight values, 0-7, ranging from “normal” precedence (value of 0) to “network control” (value of 7).
When set, the D bit requests low delay, the T bit requests high throughput, and the R bit requests high reliability.
Routers that support DiffServ can examine the six DSCP bits and prioritize the packet based on the DSCP value. The
DiffServ Parameters fields in the MultiVOIP IP Parameters screen allow you to configure the DSCP bits to values supported
by the router. Specifically, the Voip Media PHB field relates to the prioritizing of audio packets (RTP and RTCP packets)
and the Call Control PHB field relates to the prioritzing of non-audio packets (packets concerning call set-up and tear-down,
gatekeeper registration, etc.).
The MultiVOIP Call Control PHB parameter defaults to 34 decimal (22 hex; 100010 binary – consider vis-à-vis TOS field
above) for Assured Forwarding behavior. The MultiVOIP Voip Media PHB parameter defaults to the value 46 decimal (2E
hex; 101110 binary – consider vis-à-vis TOS field above). To disable DiffServ, configure both fields to 0 decimal.
IP Parameter Definitions (cont’d)
Field Name Values Description
DNS Parameter fields
Enable DNS Y/N
Default = disabled
Enables Domain Name Space/System function where computer
names are resolved using a worldwide distributed database.
DNS Server IP
Address
4-places, 0-255.
IP address of specific DNS server to be used to resolve Internet
computer names.
FTP Parameter fields
FTP Server
Enable
Y/N
Default = enabled
See “FTP Server
File Transfers” in
Operation &
Maintenance
chapter.
MultiVOIP unit has an FTP Server function so that firmware and
other important operating software files can be transferred to the
voip via the network.
- MultiVOIP FX 1
- User Guide 2
- CONTENTS 3
- Chapter 1: Overview 5
- About This Manual 6
- (MVPFXS-8/16/24) 7
- MultiVOIP Front Panel LEDs 10
- Powe r Bo ot 10
- LNK FDX SPD COL 10
- 123 456789101112131415161718 10
- Computer Requirements 11
- Specifications 11
- Installation at a Glance 12
- Related Documentation 12
- Chapter 2: Quick Start Guide 13
- MultiVOIP Startup Tasks 14
- Gather IP Information 15
- Gather Telephone Information 15
- Placement 17
- Outbound Phonebook 27
- Answer: enter 8 in “Remove 29
- Answer: enter 9 in “Remove 29
- Inbound Phonebook 30
- Phonebook Tips 32
- , = 1-second pause 33
- Hilzenvalies, WV 34
- Telco Office of 34
- WVIP-Comm, Inc 34
- Bluebird Apartments 34
- Sample Phonebooks Enlarged 35
- Phonebook Worksheet 36
- Enlarged Phonebook Worksheet 37
- Connectivity Test 38
- Troubleshooting 40
- General Safety 42
- Lithium Battery Caution 42
- Ethernet (WAN) Ports Caution 42
- Safety Warnings Telecom 42
- Unpacking the MVPFXS-8/16/24 43
- Voip’s Default IP 47
- = 192.168.2.1 47
- Control Computer’s IP 47
- = 192.168. 2. x 47
- Summary 52
- Configuring the MultiVOIP 54
- Pre-Requisites 55
- IP Network Parameters: 55
- Record for each VOIP Site 55
- Record for this VOIP Site 56
- Default = disabled 61
- Default = enabled 61
- MultiVOIP gateways 65
- FXS Options fields 69
- Flash Detection Range fields 69
- Min. and Max., 50 69
- Caller ID fields 70
- Dialing Options fields 70
- Display shows: 71
- Coder Types Range (in ms); 82
- {default value} 82
- Increments (in ms) 82
- Values: Y/N 91
- 2 Site Example 93
- MVPFXS-24 94
- EXAMPLE: 98
- Digital & Analog VOIPs 98
- (hunting) 100
- Call Completion Summaries 103
- Site D calling Site F 104
- Site D calling Site E 105
- Site F calling Site D 105
- System Information screen 108
- Statistics Screens 111
- About Call Progress 111
- About IP Statistics 114
- Change Username/Password 117
- Save & Apply 119
- Reboot Voip 120
- Restore Factory Defaults 120
- Introduction 121
- Obtaining Updated Firmware 122
- C:\Acme-Inc\MVP3000-firm 124
- SysLog Server Functions 144
- Limited Warranty 147
- Contacting Technical Support 148
- Industry Canada 150
- FCC Part 68 Telecom 150
- Canadian Limitations Notice 151
- WEEE Statement 152
- Appendix A: Cable Pinouts 153
- Command Cable 154
- Ethernet Connector 154
- RJ-21 Connector 155
- Well-Known Port Numbers 157
- S000415A 165
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