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SIP Telephony, 8.4.1 External SIP connections, PBX Configuration, Trunks, Route

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Voice over IP (VoIP) SIP Telephony 8.4 SIP Telephony The SIP Internet (Session Initiation Protocol) protocol provides you with a low-cost, standardised option for telephoning via IP-based networks. OpenCom X320 enables you to use external SIP telephone connections ("SIP trunk lines").Furthermore, internal SIP subscribers, SIP telephones or SIP telephony software are also supported. 8.4.1 External SIP connections The PBX Configuration: Trunks: Route menu gives you the option of making an SIP connection on a normal ISDN line in case of bundle overflow, breakdown or over-occupancy. You can also set up your system to route certain types of calls, such as international calls, to an SIP connection. Note: You will need a Media Gateway card for SIP telephony. You will also need a fast Internet connection such as DSL for SIP telephony. You will also usually need the services of a SIP provider. A SIP provider operates a special server (the SIP Registrar) to handle connections. The SIP provider also operates a gateway to the ordinary telephone network which users pay to use and which enables the SIP provider to provide calls to the telephone network.A SIP connection can also accept incoming calls from the telephone network. The same voice transmission techniques as those explained in Fundamentals starting on page 96 are used for SIP telephony. SIP telephony has the following distinctive features: ■ Subscribers are identified through an e-mail-like "SIP ID" such as [email protected] or [email protected]. ■ SIP transmits dialling numbers always in a single data package (block dialling). Dialling can therefore be concluded with the hash key #on the system terminal, or the end of the number will be indicated by a time-out. The value for this time-out can be defined for each SIP provider separately. ■ You must log on ("Login") to the SIP registrar before you can use SIP telephony. Use the OpenCom X320 to manage important information for the registration (user name and password) of one or more SIP accounts. It is possible to make several calls simultaneously using a single SIP account. 103

Section	Page
OpenCom X320	1
Mounting and Commissioning	1
Contents	3
1. Features	9
2. Factory settings on delivery	16
2.1 Telephony basic settings	16
2.1.1 OpenCom X320	16
2.1.2 General settings	16
2.2 Authorisations	17
2.3 Internet basic settings	22
3. Installation	24
3.1 Scope of delivery	25
3.2 Safety precautions	25
3.3 Declarations of conformity	28
3.4 Mounting location	28
3.5 Opening and closing OpenCom X320	29
3.6 Interface cards	33
3.6.1 Installing interface cards	33
3.6.2 Installing a Fax/V.24 card	35
3.6.3 Position of the interfaces	36
3.6.4 OpenCom X320 (2 slots)	37
3.7 Installing the power supply unit	41
3.8 Mounting	42
3.9 Port assignment, termination, cable length	43
3.9.1 S0 ports	43
3.9.2 Upn ports	47
3.9.3 a/b ports	48
3.9.4 Actor	51
3.9.5 LAN ports	52
3.9.6 WAN port	53
3.9.7 COM port	54
3.10 Power failure	54
4. OpenPhone 71/73/75: Extensions and accessories for system telephones	55
4.1 Power supply unit	55
4.2 Keypad extensions	55
4.3 Headset	58
5. Mounting the OpenCom X320 Rack InfoCom System	60
5.1 Safety Precautions	60
5.2 Technical Data	61
5.3 Mounting Interface Cards	61
5.4 Scope of Delivery	63
5.5 Installing interface cards (Example: Fax/V.24 card)	64
6. Configuration	66
6.1 Brief Guide to Initial Configuration	67
6.2 Configuring the OpenCom X320	69
6.2.1 Preparing the Configuration	69
6.2.2 Starting the Web Console	69
6.2.3 Loading the Online Help	71
6.2.4 Finishing the Configuration	71
6.2.5 Preconfiguration	71
6.2.6 Offline Configurator	72
6.2.7 Remote Configuration	72
6.2.8 Codes for IP Configuration	74
6.2.9 Setting up an Internet Connection from Remote (ISP Trigger Call)	75
6.2.10 Saving and Loading the Configuration	75
6.2.11 Receiving System Messages as E-Mail	76
6.2.12 Loading SW Updates	76
6.2.13 Resetting the System Data	77
6.2.14 Basic Hardware Settings Switch	77
6.2.15 Factory Settings	78
6.2.16 Generating Your Own MoH Files	79
7. Configuration Examples	81
7.1 OpenCom X320 in Computer Networks	81
7.2 Introduction to TCP/IP	82
7.3 OpenCom X320 in a Serverless LAN	83
7.3.1 DNS Name Resolution	84
7.3.2 Internet Access	84
7.3.3 RAS Access	85
7.4 OpenCom X320 in a LAN with an IP-enabled Server	86
7.4.1 DNS Name Resolution	86
7.4.2 Internet Access	87
7.4.3 RAS Access	87
7.5 Branch Link	88
7.6 Useful Information on Internet Access	90
7.6.1 Costs	90
7.6.2 Using the Web	90
7.6.3 E-mail	91
7.6.4 NAT	91
8. Voice over IP (VoIP)	93
8.1 Quick start	94
8.1.1 IP System Telephony	94
8.1.2 External SIP Line	95
8.1.3 Internal SIP telephony	96
8.2 Fundamentals	98
8.2.1 Propagation Delay and Bandwidth	98
8.2.2 Latency and Packet Length	98
8.2.3 Voice Quality	99
8.2.4 Optimisation	101
8.2.5 Call set-up	102
8.2.6 Useful services	102
8.3 Media Gateway (MGW)	103
8.3.1 Software MGW	103
8.3.2 MGW Interface Card	104
8.4 SIP Telephony	105
8.4.1 External SIP connections	105
8.4.2 Internal SIP subscribers	107
8.5 VoIP System Telephones	109
8.5.1 Device Properties	110
8.5.2 VoIP System Telephone Configuration	111
8.5.3 LAN DHCP Server	112
8.5.4 Start Procedure	113
8.5.5 Local Configuration	115
8.6 OpenPhone IPC	118
8.6.1 Installation	119
8.6.2 Configuration	119
9. DECToverIP®	121
9.1 Properties	121
9.1.1 DECT base stations	121
9.1.2 Features	122
9.2 Configuration	123
9.2.1 Dual operation	124
9.2.2 Synchronisation	124
9.2.3 Setting up the WLAN function	125
9.2.4 Configuring for a remote location	129
10. PBX Networking	131
10.1 Connections	132
10.1.1 Protocol: Q.SIG or DSS1	132
10.1.2 Master/Slave	133
10.1.3 L1 Clock	133
10.2 Types of Point-to-Point Connections	134
10.2.1 Direct Connection	134
10.2.2 Connection via an Active Transmission System	135
10.2.3 Connection via the Public Network	135
10.2.4 Connection via Q.SIG.IP	136
10.3 Configuration	137
10.3.1 Trunk groups	137
10.3.2 Routes	138
10.3.3 Numbering	138
10.4 Technical Details	139
11. Team Functions	141
11.1 Introduction	141
11.1.1 Explanation of Keys	141
11.1.2 Team Configuration	143
11.2 Examples of Use	144
11.2.1 Executive/Secretary Team	144
11.2.2 Three-member Team	146
11.2.3 Unified Team	147
11.2.4 Toggle Team	148
12. Call Queue	151
12.1 Introduction	151
12.1.1 Activation of Queues	152
12.1.2 Call Forwarding	152
12.1.3 Pickup	153
12.1.4 Hunt Groups	153
12.2 Examples of Use	153
12.2.1 Enquiry Station for an Operator with Two System Telephones	153
12.2.2 Group of Three Enquiry Stations	155
13. Multi-Company Variant	157
13.1 Configuring the Multi-Company Variant	158
13.1.1 Activating the Multi-Company Variant	158
13.1.2 Configuring and Managing Companies	159
13.1.3 Assigning Users	159
13.1.4 Assigning Trunk Groups/SIP Accounts	160
13.1.5 Allocating Routing Codes	160
13.1.6 Configuring the Company Exchange	161
13.2 Working with the Multi-Company Variant	161
13.2.1 Company Telephone Book	161
13.2.2 Making Calls Between Companies	162
13.2.3 Billing Charges per Company	162
14. Configuring the PC Software	163
14.1 PC Offline Configuration	163
14.2 Setting up TAPI	165
14.3 Setting up NET CAPI	167
14.4 Using the Systray Display	168
14.5 Browser for OpenCTI and OpenHotel	169
14.6 Setting up Video Telephony	170
14.7 Synchronising the PC Clock	171
14.8 Address Queries using LDAP	172
15. Frequently Asked Questions	174
15.1 General/Hardware	174
15.2 Telephony	175
15.3 DECT	177
15.4 LAN	178
15.5 Internet	179
16. Technical Specifications	182
17. Notes on disposal	185

Match case Limit results 1 per page

Voice over IP (VoIP)

SIP Telephony

103

8.4

SIP Telephony

The SIP Internet (Session Initiation Protocol) protocol provides you with a low-cost,

standardised option for telephoning via IP-based networks. OpenCom X320

enables you to use external SIP telephone connections (“SIP trunk lines”).Fur-

thermore, internal SIP subscribers, SIP telephones or SIP telephony software are

also supported.

8.4.1

External SIP connections

The

PBX Configuration

Trunks

Route

menu gives you the option of making an

SIP connection on a normal ISDN line in case of bundle overflow, breakdown or

over-occupancy. You can also set up your system to route certain types of calls,

such as international calls, to an SIP connection.

Note:

You will need a Media Gateway card for SIP telephony.

You will also need a fast Internet connection such as DSL for SIP telephony.

You will also usually need the services of a SIP provider. A SIP provider operates a

special server (the SIP Registrar) to handle connections. The SIP provider also

operates a gateway to the ordinary telephone network which users pay to use and

which enables the SIP provider to provide calls to the telephone network.A SIP

connection can also accept incoming calls from the telephone network.

The same voice transmission techniques as those explained in

Fundamentals

starting on page 96 are used for SIP telephony. SIP telephony has the following

distinctive features:

■

Subscribers are identified through an e-mail-like “SIP ID” such as

[email protected] or [email protected].

■

SIP transmits dialling numbers always in a single data package (block dialling).

Dialling can therefore be concluded with the hash key

on the system ter-

minal, or the end of the number will be indicated by a time-out. The value for

this time-out can be defined for each SIP provider separately.

■

You must log on (“Login”) to the SIP registrar before you can use SIP telephony.

Use the OpenCom X320 to manage important information for the registration

(user name and password) of one or more SIP accounts. It is possible to make

several calls simultaneously using a single SIP account.