background image

Technical Support 

A-3

If you are unable to contact your network supplier, see the following section on how 
to contact 3Com.

Support from 
3Com

If you are unable to obtain assistance from the 3Com online technical resources or 
from your network supplier, 3Com offers technical telephone support services. To 
find out more about your support options, please call the 3Com technical telephone 
support phone number at the location nearest you.

When you contact 3Com for assistance, have the following information ready:

• Product model name, part number, and serial number

• A list of system hardware and software, including revision levels

• Diagnostic error messages

• Details about recent configuration changes, if applicable

Below is a list of worldwide technical telephone support numbers:

Country

Telephone Number

Country

Telephone 

Number

Asia Pacific Rim
Australia
Hong Kong
India
Indonesia
Japan
Malaysia
New Zealand
Pakistan
Philippines

1 800 678 515
800 933 486
61 2 9937 5085
001 800 61 009
0031 61 6439
1800 801 777
0800 446 398
61 2 9937 5085
1235 61 266 2602

P.R. of China

Singapore
S. Korea

From anywhere in S. Korea:
From Seoul:

Taiwan, R.O.C.
Thailand

10800 61 00137 or
021 6350 1590
800 6161 463

82 2 3455 6455
00798 611 2230
0080 611 261
001 800 611 2000

Europe
From anywhere in Europe, 
call:

+31 (0)30 6029900 phone
+31 (0)30 6029999 fax

From the following European countries, you may use the toll-free numbers:

Austria
Belgium
Denmark
Finland 
France
Germany
Hungary
Ireland
Israel
Italy

06 607468
0800 71429
800 17309
0800 113153
0800 917959
0130 821502
00800 12813
1 800 553117
177 3103794
1678 79489

Netherlands
Norway
Poland
Portugal
South Africa
Spain
Sweden
Switzerland
U.K.

0800 0227788
800 11376
0800 3111206
05 05313416
0800 995014
900 983125
020 795482
0800 55 3072
0800 966197

Latin America
Argentina
Brazil

541 312 3266
55 11 523 2725, ext. 422

Colombia
Mexico

571 629 4847
01 800 849 2273

North America

1 800 NET 3Com
(1 800 638 3266)

Summary of Contents for PathBuilder S200 Series

Page 1: ...3Com Corporation PathBuilder S200 Series Switch Voice Over IP...

Page 2: ...the software is procured for use by the Department of Defense the following legend applies Restricted Rights Legend Use duplication or disclosure by the Government is subject to restrictions as set f...

Page 3: ...losed to others published or used in whole or in part for any purpose other than that for which it is being made available Use of software described in this document is subject to the terms and condit...

Page 4: ......

Page 5: ...tation In This Manual Topic See Page About Voice over IP VoIP 2 Network Topology 3 SoTCP Operation 4 Establishing a Call 5 VoIP Applications 8 Example VoIP Configuration 9 Configuring VoIP 11 SoTCP Pa...

Page 6: ...ffic over an IP network Figure 1 Voice over IP Network VoIP Applications VoIP provides new and cost effective solutions for a company s telephony communication including Long distance calling over an...

Page 7: ...ends voice to the voice port on the source IP node Source IP Node The source IP node is a PathBuilder S200 series switch that connects directly to the voice device connects directly to the IP network...

Page 8: ...o Transport layer protocols the Transport Control Protocol TCP and User Datagram Protocol UDP Each TCP or UDP session may carry multiple switched virtual circuits SVCs SoTCP uses SVC call setup and ro...

Page 9: ...nd connection establishment and finally voice transfer Figure 4 Session and Connection Establishment Voice Port Voice Port ACP call request TCP call request TCP Call accept SoTCP internal call request...

Page 10: ...equest to inform the source IP node that it wishes to send voice over the network to the destination voice port Open UDP When a voice port attempts to make a call the Source IP node opens a UDP channe...

Page 11: ...receives the ACP call accept from the remote voice port it sends a SoTCP Internal Call Accept to the source IP node The remote port s UDP port number is included in this packet to inform the other end...

Page 12: ...ications for Small Branch Offices In Figure 6 the PathBuilder S24x 26x and 27x switches act as gateways to route calls over the IP network With this implementation the caller only needs to call a loca...

Page 13: ...To carry voice traffic over the IP network the SoTCP parameters must be configured Recommended Sequence for Configuration The following table describes the recommended sequence to configure a PathBuil...

Page 14: ...e 1 E Lead Filter Disable Signalling Mode Normal Signalling Control Immediate PCM Mode law Compression Rate 8K DSI Control Enable Smoothing Delay 80 msec Input Signal Level 0dBm Output Signal Level 0d...

Page 15: ...nfiguring VoIP Introduction These sections describe how to configure the VoIP option The parameters for the VoIP option are specified in three records SoTCP Parameters on page 12 Route Selection Table...

Page 16: ...ess Date Time Menu Main Node Port SoTCP TCP Port Number Maximum Number TCP sessions Maximum Number of SVCs per session Maximum Total Voice SVCs Maximum Total Data SVC Serial Connection establishment t...

Page 17: ...10 Description Specifies the maximum number of switched virtual circuits SVCs that may be multiplexed on a TCP session through SoTCP Once the maximum number is reached no more connections will be est...

Page 18: ...he source node Boot Type SoTCP Boot TCP Connection Establishment or Clearing Timeout Range 1 to 200 Specified in 50 ms increments Default 100 Description Specifies the time SoTCP waits for the connect...

Page 19: ...meters to take affect Entry Number Range 1 to 16 Default 1 Description Specifies the number used to reference this table record Address Range 0 to 15 digits Default blank Description Specifies the net...

Page 20: ...ers Node Address Date Time Menu Main Logout Examine Configure Node Address Date 1 Time Menu Configure Node Port Configure Network Services Node Address Date Time Menu Configure Network Services Route...

Page 21: ...ts Default blank Description Specifies the network address for calls for which TCP sessions must be established Use space to blank the field Destination IP Address Range X X X X Where X is between 0 a...

Page 22: ...avigating the CTP Figure 12 shows the CTP path to the SoTCP statistics Figure 12 Statistics Screen Node Address Date Time Menu Main Logout Examine Status statistics Node Address Date Time Menu Status...

Page 23: ...VCs 123 Total Number of SVCs 123 Press any key to continue ESC to exit Item Description TCP packets IN Total number of packets received by SoTCP from TCP TCP packets OUT Total number of packets transm...

Page 24: ...Remote Transaction Summary IN OUT Characters Serial Packets Out of Sequence Packets Discard Conn ID Chars IN Chars OUT Pkts IN Pkts Out Status Type Uptime Press any key to continue ESC to exit Item De...

Page 25: ...mber Specifies the local port number when a voice SVC is present Out of sequence packets discarded Specifies the number of packets received on the UDP port with an invalid sequence number Packets with...

Page 26: ......

Page 27: ...latest networking information on the 3Com Corporation World Wide Web site by entering the URL into your Internet browser http www 3com com This service provides access to online support information s...

Page 28: ...nce is required contact your network supplier Many suppliers are authorized 3Com service partners who are qualified to provide a variety of services including network planning installation hardware ma...

Page 29: ...Indonesia Japan Malaysia New Zealand Pakistan Philippines 1 800 678 515 800 933 486 61 2 9937 5085 001 800 61 009 0031 61 6439 1800 801 777 0800 446 398 61 2 9937 5085 1235 61 266 2602 P R of China S...

Page 30: ...le East 011 44 1442 435860 011 44 1442 435718 From the following European countries you may call the toll free numbers select option 2 and then option 2 Austria Belgium Denmark Finland France Germany...

Page 31: ...erial Protocol over TCP see SoTCP session establishment 6 SoTCP encapsulation mechanism 2 operation 4 packet format 4 parameters 12 source IP node 3 statistics 18 SVC 4 maximum number of 13 SVCs maxim...

Reviews: