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TALKSWITCH DOCUMENTATION
TALKSWITCH
VOIP NETWORK
TROUBLESHOOTING
GUIDE
RELEASE 3.24
CT.TS005.008001
®
AN S WER S WITH IN TEL L I G E N C E
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COPYRIGHT INFORMATION TalkSwitch. Copyright 2006. All Rights Reserved. Reproduction, adaptation or translation without prior written permission is prohibited, except as allowed under the copyright laws. Information in this user guide is subject to change without notice and does not represent any commitment on the part of TalkSwitch. No part of this user guide may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying, recording, or informatio
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TABLE OF CONTENTS 1. INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 2. VERIFYING CONFIGURATION SETTINGS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 2.1 IP Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 2.1.1 System IP Settings . . . . . . . . .
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TALKSWITCH VOIP NETWORK TROUBLESHOOTING GUIDE 1. INTRODUCTION This guide assumes you are having difficulties with VoIP calls in a branch-to-branch configuration and you have already configured the following configuration settings in both the proxy server and remote site locations: • IP addresses for private, public and proxy server network settings. � VoIP and Line Hunt Group numbers. � Services in the router IP mapping tables. This guide describes the following steps: � Verifying existing Ta
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TALKSWITCH VOIP NETWORK TROUBLESHOOTING GUIDE 2. VERIFYING CONFIGURATION SETTINGS Verify the TalkSwitch unit configuration settings contained in this section for the remote site and proxy server locations. This section also lists additional configuration setting information to help you determine possible errors in your TalkSwitch settings. 2.1 IP CONFIGURATION The System IP Settings section displays the TalkSwitch unit private IP address. We recommend a static IP address for a TalkSwitch uni
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TALKSWITCH VOIP NETWORK TROUBLESHOOTING GUIDE Verify that the MAC address is reserved or that the firewall supports UPnP (firewall specific information). If the Unit IP Address is public, ensure the unit is not behind a firewall. Test: Ping the IP address to verify that it is valid. 2.1.2 Public WAN IP Address If the IP address is static, verify the address. If the IP address is dynamic, check the address using an address-server checker (such as checkip.talkswitch.com). If FQDN is enabled, c
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TALKSWITCH VOIP NETWORK TROUBLESHOOTING GUIDE rechecking this box updates the Server Names entries. The Registrar Authentication option turns authentication on or off. If this location is the proxy/registrar, make sure the box is checked and verify the server name addresses and that both the proxy and the registrar entries are the same. If FDQN is used, make sure the entries are typed correctly. Verify that all locations have the proper proxy/registrar IP addresses. Note: Leave the Outbound Pr
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TALKSWITCH VOIP NETWORK TROUBLESHOOTING GUIDE 2.4 LINE HUNT GROUPS The Set Line Hunt Group options are found in System Information -> Line Hunt Groups. Choose a hunt group and TalkSwitch VoIP Numbers as the Line Type. By default, hunt group 88 is set to use the TalkSwitch VoIP lines. 2.5 SIP AND RTP PORT ASSIGNMENTS The VoIP Ports options are found in Options -> Troubleshooting -> Advanced. TalkSwitch uses 5060 for SIP signalling and 6000+ for RTP packets. These values are set in the firewal
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TALKSWITCH VOIP NETWORK TROUBLESHOOTING GUIDE Confirm the RTP ranges for each TalkSwitch unit. Range of RTP Ports Unit Start RTP End RTP Type Unit 1 6000 6006 UDP Unit 2 6010 6016 UDP Unit 3 6020 6026 UDP Unit 4 6030 6036 UDP Note: Port 9393 may also need to be mapped to the TalkSwitch unit for TCP/IP access configuration. 2.7 REGISTRAR You can verify registration of the units within the TalkSwitch configuration software. On the VoIP Configuration software page you have the options to View Re
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TALKSWITCH VOIP NETWORK TROUBLESHOOTING GUIDE 3. TESTING YOUR CONFIGURATION This section describes using registration and placing a remote to proxy site VoIP call to pinpoint the location of possible system configuration errors which may be causing the problem. 3.1 VERIFY REGISTRATION The steps below follow a sequence to ensure proper registration of the remote and proxy units. If the remote and proxy units are registered, then initiate a VoIP call as described in Initiate the VoIP Call on
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TALKSWITCH VOIP NETWORK TROUBLESHOOTING GUIDE The following steps will verify the registration status of the remote location to verify if SIP port 5060 is configured properly: 1. Go to System Information -> VoIP Configuration at the remote site, then click the Registration Status button. If registered, go to section 3.1 below and initiate a VoIP call. 2. Verify that the firewall port mappings for SIP have 5060 pointing to the proxy location private IP address settings. 3. Perform a configu
