UNIVERGE SV8100 SIP Trunking Configuration Guide for Broadvox

UNIVERGE SV8100 SIP Trunking Configuration Guide for Broadvox
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®
SIP Trunking Service Configuration Guide
for Broadvox Fusion
INT-31185
Issue 1.0
NEC Corporation of America reserves the right to change the specifications, functions, or features at
any time without notice.
NEC Corporation of America has prepared this document for use by its employees and customers.
The information contained herein is the property of NEC Corporation of America and shall not be
reproduced without prior written approval of NEC Corporation of America.
UNIVERGE is a registered trademark of NEC Corporation. All other brand names and product names
referenced in this document are trademarks or registered trademarks of their respective companies.
Copyright 2011
NEC Corporation of America
6535 N. State Highway 161
Irving, TX 75039-2402
Communications Technology Group
TABLE OF CONTENTS
___________________________________________________________________________________
Section 1
Section 2
NEC SV8100 and Broadvox Fusion Setup Guide .......................................... 1-1
1.1
This Guide and Related Documents ....................................................... 1-1
1.2
Broadvox Fusion Account ....................................................................... 1-1
1.3
SV8100 System Software ....................................................................... 1-1
1.4
Requirements ......................................................................................... 1-2
1.5
Limitations .............................................................................................. 1-2
NEC PBX Configuration................................................................................... 1-3
2.1
Section 3
Prerequisites ........................................................................................... 1-3
2.1.1
SIP Trunking Information from Broadvox Fusion ................................... 1-3
2.1.2
NEC UNIVERGE SV8100 ...................................................................... 1-3
2.1.3
Installation Worksheet ........................................................................... 1-3
SV8100 Programming ...................................................................................... 1-5
3.1
Trunk Type / Slot Configuration
.......................................................... 1-5
3.2
CD-CP00 Network Setup ........................................................................ 1-8
3.3
IPLA DSP Basic Setup ........................................................................... 1-9
3.4
SIP System Information Setup ............................................................. 1-12
3.5
SIP Server Information Setup ............................................................... 1-13
3.6
SIP Authentication Information Setup ................................................... 1-15
3.7
SIP Trunk Registration ......................................................................... 1-16
3.8
Calling Party Information ...................................................................... 1-16
3.9
Class of Service Options (Outgoing Call Service) ................................ 1-17
3.10
IP Trunk Calling Party Number Setup ................................................. 1-18
3.11
IP Trunk (SIP) Calling Party Number Setup for Extensions ................. 1-19
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Section 4
3.12
DID (TN to ext map) .............................................................................1-20
3.13
DTMF Configuration .............................................................................1-21
3.14
ToS Setup .............................................................................................1-22
3.15
SIP Trunk Basic Setup ..........................................................................1-23
Initial Testing and Troubleshooting..............................................................1-24
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Table of Contents
LIST OF FIGURES and tables
___________________________________________________________________________________
Table 1
Installation Worksheet .......................................................................................... 4
Figure 1
Blade Configuration .............................................................................................. 5
Figure 2
IPLA Configuration ............................................................................................... 6
Figure 3
IPLA DSP Resource Selection ............................................................................. 6
Figure 4
IP Trunk Availability .............................................................................................. 7
Figure 5
CD-CP00 Network Setup ..................................................................................... 8
Figure 6
IPLA DSP Basic Setup ......................................................................................... 9
Table 2
Port Table ........................................................................................................... 10
Table 3
Router Forwarding (Gateway Table) .................................................................. 11
Figure 7
SIP System Information Setup ........................................................................... 12
Figure 8
SIP Server Information Setup ............................................................................. 13
Figure 9
SIP Authentication Information Setup ................................................................ 15
Figure 10
SIP Trunk Registration Information .................................................................... 16
Figure 11
Class of Service Options .................................................................................... 17
Figure 12
IP Trunk (H.323/SIP) Calling Party Number Setup for Trunks ........................... 18
Figure 13
IP Trunk (SIP) Calling Party Number Setup for Extensions ............................... 19
Figure 14
Incoming Call Trunk Setup ................................................................................. 20
Figure 15
DTMF Configuration Setup ................................................................................. 21
Figure 16
ToS Setup .......................................................................................................... 22
Figure 17
SIP Trunk Basic Setup ....................................................................................... 23
Table 4
Troubleshooting Guide ....................................................................................... 25
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iv
List of Figures and Tables
Configuring NEC SV8100 with Broadvox
Fusion SIP Trunking Service
SECTION 1
NEC SV8100 AND BROADVOX FUSION SETUP GUIDE
This Guide and Related Documents
This guide was created to assist knowledgeable vendors with
configuring the NEC SV8100 Communication Server with Broadvox
Fusion’s SIP Trunking service. It provides sample entries for the
required fields. The actual data is provided by Broadvox Fusion when
service is activated. Questions about software and hardware
installation or other PBX configuration issues should be directed to
NEC’s National Technical Assistance Center (NTAC).
Broadvox Fusion
1.1
For complete details on using SIP trunks with the SV8100, refer to the
SV8100 Networking Manual.
For complete details on using DID features, refer to the DID feature in
the SV8100 Features and Specifications Manual.
For details about related hardware, refer to the SV8100 System
Hardware Manual.
These manuals can be downloaded from NEC’s National Technical
Assistance Center (NTAC) web site. You must have a valid dealer ID
to access the documents.
1.2
Broadvox Fusion Account
Contact your Broadvox Fusion representative.
1.3
SV8100 System Software
The SV8100 requires system software 3.00 or higher to use Broadvox
Fusion’s service.
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1.4
Requirements
A minimum of four IP (SIP) trunks are required due to the NEC Communications
Server infrastructure setup.
The system software for the NEC Communications Server should be version 3.00
or higher.
NEC recommends that the requirements and programming are completed with as
much information as possible before scheduling an activation appointment with
Broadvox Fusion.
1.5
Limitations
The following limitations apply:

Some private IP network ranges conflict with SIP Trunking Service
providers. This can cause issues when connecting to the SIP Trunking
service. Private ranges reserved for the customer’s LAN are:
10.x.x.x
192.168.0.x through 192.168.10.x
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NEC PBX CONFIGURATION
This section provides information to NEC’s solution providers and NEC Associates for
configuring an NEC UNIVERGE SV8100 to connect to a Broadvox Fusion SIP Trunk
service provider, utilizing a DYNAMIC (Registration Mode) or STATIC (NonRegistration Mode) configuration.
2.1
Prerequisites
Before you configure the UNIVERGE SV8100, you must have the following
information available.
2.1.1
2.1.2
2.1.3
SIP Trunking Information from Broadvox Fusion

Primary SIP Proxy Server IP Address

Number Plan, if applicable for the Point-to-Point Connection

Trunking DID(s)
The DID(s) are forwarded to the Public WAN IP address(s),
DNS or DNS SRV records of the PBX.
NEC UNIVERGE SV8100

SV8100 CPU firmware version 3.00 or higher

IPLA-R UNIT (PZ-32, PZ-64, or PZ-128)

SIP Trunking License (minimum of four licenses)

Digital, IP and TDM Telephones
Installation Worksheet
Use the worksheet to record the information needed for setting up
the SIP Trunking service.
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Table 1 Installation Worksheet
WAN Side:
Internet Access Type and Speed:
WAN IP Address:
WAN Subnet Mask:
WAN Gateway IP Address:
LAN Side:
LAN IP Address for SIParator or EdgeMarc:
LAN Subnet Mask:
LAN IP Address for SV8100:
VLAN ID:
PBX Information:
Model:
Firmware Version:
Number of SIP Trunk Licenses:
Add-on Software Applications:
Number of Users:
Number of Concurrent Calls:
Notes:
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SV8100 PROGRAMMING
When using Broadvox Fusion as your SIP trunking service provider, the following
programs must be changed for SIP trunking service.
When using PCPro or WebPro for programming, enabling an option may be a
checkbox option rather than entering a ‘1’ as in terminal programming.
3.1
Trunk Type / Slot Configuration
Figure 1 Blade Configuration
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Figure 2 IPLA Configuration
10-03-02: Blade Setup, for IPLA (VoIPDB)
Define the trunks to be used for SIP trunks as 1 (SIP).
Figure 3 IPLA DSP Resource Selection
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10-19-01 : VOIP DSP Resource Selection
Specify the operating mode for the DSP resources (0=common use (extensions and
trunks), 1=IP extensions only, 2=SIP trunks only, 3=CCIS, 4=NetLink, 5=Blocked,
6=Unicast, 7=Multicast, 8=Paging).
Figure 4 IP Trunk Availability
10-40-01 : IP Trunk Availability – IP Trunk Availability
Turn this option "on".
10-40-02 : IP Trunk Availability – IP Trunk Port Count
Select the number of trunks being used.
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3.2
CD-CP00 Network Setup
Values shown are for example purposes only. Your actual IP values will be
determined by your local LAN administrator.
Figure 5 CD-CP00 Network Setup
10-12-01 : CD-CP00 Network Setup – IP Address
Set the LAN IP address for the system ethernet port to 0.0.0.0
10-12-02 : CD-CP00 Network Setup – Subnet Mask
Set the subnet mask for the system ethernet port to be different than the subnet for
the IPLA blade.
10-12-03 : CD-CP00 Network Setup – Default Gateway
Set the default gateway for the IPLA blade.
If a router or firewall is placed between the SIP Trunk Provider and SV8100, you
must also set the following programs:
10-12-06 : CD-CP00 Network Setup – NAPT Router
Turn this program on if the SV8100 resides behind a NAT router.
10-12-07 : CD-CP00 Network Setup – NAPT Router IP Address
Set the WAN IP address of the NAT router.
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10-12-09 : CD-CP00 Network Setup – IP Address
Select the IP address for the VoIP connection (default: 172.16.0.10). A static IP
address is required.

IP address is required by the CD-CP00. Some private IP network ranges (ex: 192.168.0.0/
16, 172.16.0.0/12) conflict with SIP Service Provider's Network ranges which may cause
issues when connecting SIP connect service. Private ranges reserved for the customer’s LAN
are 10.x.x.x and 192.168.0.x through 192.168.10.x.

The SV8100 must be reset in order for the change to take effect.
10-12-10 : CD-CP00 Network Setup – Subnet Mask
Select the Subnet Mask to be used by the VoIP server (default: 255.255.0.0).
3.3
IPLA DSP Basic Setup
Values shown are for example purposes only. Your actual IP values will be
determined by your local LAN administrator.
Figure 6 IPLA DSP Basic Setup
Port Forwarding:
The Router will require port forwarding rules to be configured.
Port 5060 must be forwarded to the address entered in Program 10-12-09.
Port 5060 is not used for remote terminals - ports 5070 and 5080 are used instead.
Port 5060 is only used for trunking so there are no issues with the possible fraudulent
usage of unauthorized remote attempts to register remote terminals.
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The ports used in Programs 84-26-02 and 84-26-03 must be forwarded to the IP
address entered in Program 84-26-01.
The RTP/RTCP ports are forwarded to avoid possible one-way conversation which
might occur on inbound calls. When forwarding the ports, the range for each gateway
must be set. The number of gateways to forward will depend on the size of the IPLA.

Gateway 1 will require ports 10020-10051 forwarded.

Gateway 2 will require ports 10052-10083 forwarded.

Gateway 3 will require ports 10084-10115 forwarded.

Gateway 4 will require ports 10116-10147 forwarded.

Gateway 5 will require ports 10148-10179 forwarded.

Gateway 6 will require ports 10180-10211 forwarded.

Gateway 7 will require ports 10212-10243 forwarded.

Gateway 8 will require ports 10244-10275 forwarded.
Table 2 Port Table
10
Ports
UDP
TCP
5060
Yes
No
10020
Yes
No
10021
Yes
No
10052
Yes
No
10053
Yes
No
10084
Yes
No
10085
Yes
No
10116
Yes
No
10117
Yes
No
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Table 3 Router Forwarding (Gateway Table)
IPLA Size
Gateway
IP Address
RTP Port
RTCP Port
UDP
1
IPLA32
2
3
IPLA64
4
5
6
7
IPLA128
8
Example: Router Configuration shown from the NEC InRouter/4300T Router :
udp;143.101.120.218/255.255.255.0-10020>10.10.3.20-10020
udp;143.101.120.218/255.255.255.0-10021>10.10.3.20-10021
udp;143.101.120.218/255.255.255.0-10052>10.10.3.21-10052
udp;143.101.120.218/255.255.255.0-10053>10.10.3.21-10053
udp;143.101.120.218/255.255.255.0-10084>10.10.3.22-10084
udp;143.101.120.218/255.255.255.0-10085>10.10.3.22-10085
udp;143.101.120.218/255.255.255.0-10116>10.10.3.23-10116
udp;143.101.120.218/255.255.255.0-10117>10.10.3.23-10117
udp;143.101.120.218/255.255.255.0-5060>10.10.3.10-5060
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3.4
SIP System Information Setup
Values shown are for example purposes only. Your actual values will be
determined by your implementation team.
Figure 7 SIP System Information Setup
10-28-01 : SIP System Information Setup – Domain Name
Define the Domain name up to 64 characters. This information is specific to your
market and is provided by your SIP Trunking Service Provider.

When configuring Domain name the SIP service provide will supply the Proxy/Domain in
the following manner - "Host Name" . "Domain Name" . The characters are normally
separated by “.” The characters after “.” will be in the Domain Name.
10-28-02 : SIP System Information Setup – Host Name
Define the Host name, up to 48 characters.

When configuring Host name the SIP service provide will supply the Proxy/Domain in the
following manner - "Host Name" . "Domain Name" . The characters are normally
separated by “.” The characters before “.” will be in the Domain Name.
10-28-03 : SIP System Information Setup – Transport Protocol
Define the Transport type. This option is always set to 0 (UDP).
10-28-04 : SIP System Information Setup – User ID
This information is provided by your SIP Trunking Service Provider.
Entries: 32 characters maximum (Default=No Entry). It is typically the 10-digit billing
telephone number.

If Program 10-23-04 is set for system interconnection, this entry must be numeric as
10-23-04 does not allow text entry - only numeric.
10-28-05 : SIP System Information Setup – Domain Assignment
Determine the type of Domain Assignment. Set this entry to 1 (Domain name).
10-28-06 : SIP System Information Setup – IP Trunk Port Binding
Set this entry to 0 (Disable) to allow an incoming call to use the lowest port.
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3.5
SIP Server Information Setup
Values shown are for example purposes only. Your actual values will be
determined by your implementation team.
Figure 8 SIP Server Information Setup
10-29-01 : SIP Server Information Setup – Outbound Default Proxy
Enable (1) the SIP Outbound Proxy.

If entries are made in Program 10-29-xx for a SIP Server and the SIP Server is then removed
or not used, the entries in Program 10-29-xx must be set back to their default settings. Even
if 10-29-01 is set to .0. (off), the SV8100 will check the settings in the remaining 10-29
programs.
10-29-03 : SIP Server Information Setup – Default Proxy IP Address
Define the SIP Trunk Service Provider Proxy IP Address. You may resolve the IP
address of the Outbound Proxy by pinging the URL.
10-29-05 : SIP Server Information Setup – Registrar Mode
Set the Registrar Mode to 1(manual) with SIP trunking.
10-29-06 : SIP Server Information Setup – Registrar IP Address
Input the IP address of the SIP registrar (if given).
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10-29-08 : SIP Server Information Setup – SIP Proxy Setup – DNS Mode
Set the DNS Mode to 1, when the SIP carrier provides a domain name.
10-29-09 : SIP Server Information Setup – SIP Proxy Setup – DNS IP Address
This information should be provided by your SIP service provider.

The DNS IP Address should be any valid Domain Name Server either SIP provided or
within your network.
10-29-11 : SIP Server Information Setup – SIP Proxy Setup – Registrar Domain
Name
Define the Registrar Domain Name. This information should be provided by your SIP
service provider (128 characters maximum).
10-29-12 : SIP Server Information Setup – Proxy Domain Name
Enter the Domain name.

When configuring the Domain name, the SIP service provider will supply the Proxy/
Domain in the following manner - "Host Name" . "Domain Name" . The characters are
normally separated by “.” The characters after “.” will be in the Domain Name.
10-29-13 : SIP Server Information Setup – Proxy Host Name
Enter the Host name.

When configuring Domain name the SIP service provide will supply the Proxy/Domain in
the following manner - "Host Name" . "Domain Name" . The characters are normally
separated by “.” The characters before “.” will be in the Host Name.
10-29-14 : SIP Server Information Setup – SIP Carrier Choice
Set the SIP Carrier Choice to 2 (Carrier B).

Changing this program automatically changes program 10-29-16 to "on". 10-29-16 must
be turned off in order for incoming calls to route correctly.
10-29-15 : SIP Server Information Setup – Registration Expiry Time
It is important to leave this automatic re-registration time to be 3600 seconds so that
the Broadvox Fusion network does not get flooded.
10-29-16 : SIP Server Information Setup – Register Sub Mode
Unchecking the Register Sub Mode (setting it to “off”) will allow all trunk calls to be
routed based on routing policies.
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3.6
SIP Authentication Information Setup
Values shown are for example purposes only. Your actual values will be
determined by your implementation team.
Figure 9 SIP Authentication Information Setup
10-30-02 : SIP Authentication Information Setup – User Name
Define the authentication User Name provided by Broadvox Fusion. This information
is provided by your SIP Service Provider.
Entries: 48 characters maximum.

NEC recommends using "nec8100" if this information is not supplied by your service
provider.
10-30-03 : SIP Authentication Information Setup – Password
Enter the Broadvox Fusion authentication password. This information is provided by
your SIP Service Provider.
Entries: 48 characters maximum.
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3.7
SIP Trunk Registration
Values shown are for example purposes only. Your actual values will be
determined by your implementation team.
Figure 10 SIP Trunk Registration Information
3.8
Calling Party Information
Caller ID - In the Invite message there are two fields that can have caller ID. One
field is the “SIP From Address” and the other field is “SIP Display Info”. If both of
these fields are left blank the call will not complete.
Below is an example of a SIP Invite Message with outbound CID.
From “2142622000”<sip:test@172.16.0.100>
14-12-01 : SIP Register ID Setup for IP Trunks
On a per trunk basis, you can choose a SIP register ID of 0~31. If left to 0, the “SIP
from Address” would not be assigned on a per trunk basis. If set to 1~31, it then looks
at command 10-36-02 to populate the “SIP from Address” field.
14-12-02 : SIP Register ID Setup for IP Trunks
This is for SIP trunks to the provider for inbound purposes. If 10-28-06 (Trunk port
Binding) is enabled, inbound calls map to the trunk. If you want to create a hunt group
when trunk port binding is enabled, set multiple trunks to the same pilot and then
define that number in 10-36.
10-36-02 : SIP Trunk Registration Information
Per registration ID 1~31 you can assign what will be populated in the “SIP from
Address” field.
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15-16-01 : SIP Register ID Setup for Extensions
Per station you can choose a SIP register ID of 1~31. If left blank the “SIP from
Address” would not be assigned on a per station basis. If assigned, it will look at
Program 10-36-02 to populate the “SIP from Address” field. This takes priority over
command 14-12-01.
10-28-04 : SIP System Information Setup – User ID
This is the default “Display Info” and “From Address” if either of these fields is blank
what is assigned in this command will be inserted. This setting has the lowest priority
and if any of the next commands are set they will be sent out instead of this command.
3.9
Class of Service Options (Outgoing Call Service)
Values shown are for example purposes only. Your actual values will be
determined by your implementation team.
Figure 11 Class of Service Options
20-08-13 : Class of Service Options (Outgoing Call Service) – ISDN Clip
This needs to be turned ON per COS, if you are trying to send any information on a
per station basis. If turned OFF, it will still send the trunk information if set.
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20-09-02: Class of Service Options (Incoming Call Service) Caller ID Display
This needs to be turned ON per COS, if you want to receive caller ID.
3.10
IP Trunk Calling Party Number Setup
Figure 12 IP Trunk (H.323/SIP) Calling Party Number Setup for Trunks
21-17-01: Calling Party Number Setup for Trunks
On a per trunk basis this populates the “SIP Display Info” field. If a station has a
setting in 21-19-01, it will override this field.
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3.11
IP Trunk (SIP) Calling Party Number Setup for Extensions
Values shown are for example purposes only. Your actual values will be
determined by your implementation team.
Figure 13 IP Trunk (SIP) Calling Party Number Setup for Extensions
21-19-01 : IP Trunk (SIP) Calling Party Number Setup for Extensions
On a per station basis this populates the “SIP Display Info” field. This setting has the
highest priority.
This program is used to assign the Calling Party Number for each extension (Entries:
1~0, *, #). The assigned number is sent to the SIP Trunking Service Provider when
the caller places an outgoing call. If the Calling Party Number is assigned by both
Program 21-17 and 21-18/21-19, then the system uses the data in Program 21-18/2119. Do not use Program 21-13 for SIP. This entry must be a 10-digit DID associated
with the SIP Trunking Service Provider Account. DID numbers are provided by your
SIP Trunking Service Provider Coordinator.
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3.12
DID (TN to ext map)
Values shown are for example purposes only. Your actual values will be
determined by your implementation team.
Figure 14 Incoming Call Trunk Setup
22-02-01 : Incoming Call Trunk Setup
Define the SIP trunks as type 3 (DID). In addition to the SIP trunk programming, refer
to the DID feature in the SV8100 Features and Specifications Manual for additional
DID programming (e.g., 14-05, 22-04, 22-09, 22-10, 22-11, 22-12, 22-13, 22-17, 3401).
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3.13
DTMF Configuration
Values shown are for example purposes only. Your actual values will be
determined by your implementation team.
Figure 15 DTMF Configuration Setup
84-13-32 : SIP Trunk CODEC Information Basic Setup – DTMF Relay Mode
Set the DTMF setup to 1 (RFC2833).
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3.14
ToS Setup
Values shown are for example purposes only. Your actual values will be
determined by your implementation team.
Figure 16 ToS Setup
84-10-01 : ToS Setup – ToS Mode
For the RTP/RTCP (Protocol type 5) and SIP Trunk (Protocol type 9), set the ToS
Mode to “2” (Diffserv).
The SV8100 must be reset in order for the change to take effect.
84-10-07 : ToS Setup – Priority (Diffserv)
For each of the following protocol types, set the following priorities:
RTP/RTCP (Protocol type 5): Priority 40.
SIP Trunk (Protocol type 9): Priority 46.
The SV8100 must be reset in order for the change to take effect.
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3.15
SIP Trunk Basic Setup
Values shown are for example purposes only. Your actual values will be
determined by your implementation team.
Figure 17 SIP Trunk Basic Setup
84-14-11 : SIP Trunk Basic Setup – URL/To Header Setting Information
Set this program to SIP UA Domain.
Changes within this program require the SV8100 be reset in order for the
change to take effect.
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Broadvox Fusion
INITIAL TESTING AND TROUBLESHOOTING
To confirm that the system is correctly set, perform the following tests:

If you run into an issue with any of these tests, refer to Table 4 Troubleshooting Guide.
Test an outgoing call to a local number. Check for ringback, 2-way audio and quality.
1.
Test an outgoing call to a long distance number. Check for ringback, 2-way
audio and quality.
2.
Test an outgoing call to an international number. Check for ringback, 2-way
audio and quality.
3.
Test a outgoing call lasting more than 15 minutes.
4.
Test multiple call concurrences on outgoing calls. Setup multiple calls to PSTN.
5.
Test an outgoing call to an Operator ‘0’.
6.
Test an outgoing call to directory assistance ‘411’.
7.
Test a 911 call.
Identify to the operator that this is a TEST!
24
8.
Test an incoming call to an internal DID. Check for ringback, 2-way audio and
quality.
9.
Test an incoming call to an auto-attendant. Check DTMF and audio quality.
10.
Test transferring calls off-site.
11.
Test an outgoing call to an auto-attendant and verify DTMF.
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Table 4 Troubleshooting Guide
Issue
No Calls IN/Out
Cause
Remedy

Router Configuration

Check Router Configuration

NEC Configuration

Check NEC Configuration

Unqualified IP Address

Note WAN IP Address and Contact Provider

NEC Configuration

Check NEC Configuration

Unqualified IP Address

Note WAN IP Address and Contact Provider

NEC Configuration

Check NEC Configuration

Unqualified IP Address

Note WAN IP Address and Contact Provider

NEC Configuration

Check NEC Configuration

Excessive Delay

Check LAN and WAN for high latency

Echo Cancellation Issue

Check Echo settings and/or consult
Broadvox Fusion

Internet Access Issues

Call Internet Access Provider

Extreme Latency on LAN

Check Latency on LAN

SIP issue

Contact Provider

Power issue

Check power if using AC, should not be
issue in PoE

Packet Loss or Latency on LAN

Check LAN

Packet Loss or Latency on WAN

Check with Internet Access Provider

Jitter Buffer Configuration

Check with NEC
No Calls Out
No Calls In
One-Way Audio
Echo
Call Dropping
Static or HUM on Phones
Missing Parts of Words
SIP Trunking Service Configuration Guide
25
Issue 1.0
Broadvox Fusion
- - NOTES - -
26
SIP Trunking Service Configuration Guide
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