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3Com

Corporation

PathBuilder

™

S200 Series Switch

Voice Over IP

Содержание PathBuilder S200 Series

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

Страница 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...

Страница 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...

Страница 4: ......

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 26: ......

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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