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TANDBERG D13192, Техническое описание

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                   Technical Description of 

TANDBERG Gateway

 with software version G2 

D13192 Rev. 02 

 

 

13 

 

4.1.5.7

 

Layer 4 Ports used in H.323  

The following tables describes which layer 4 ports are being used by the TANDBERG 
Gateway when a call is made on an H.323 network. 

 

TANDBERG Gateway me Duo Video 

Function Port 

Type 

Gatekeeper Discovery (RAS)  1719 

UDP 

Q.931 Call Setup 

1720 

TCP 

H.245 

Range 5555—5587  

TCP 

Video Range 

2326—2837 UDP 

Audio 

Range 2326—2837  

UDP 

Data/FECC 

Range 2326—2837  

UDP 

 

4.1.5.8

 

IP packet sizes 

Audio 

The TANDBERG Gateway can receive up to 60 ms of audio in each packet. The 
TANDBERG Gateway is sending 20 ms of audio in each packet, thus: 

•

 

G.711  

– 160 bytes per packet 

•

 

G.728  

– 40 bytes per packet 

•

 

G.722  

– 160 bytes per packet 

•

 

G.722.1   – 60 bytes per packet 

 

Video 

The TANDBERG Gateway is sending maximum 1450 bytes of video per packet. 

 
Note:  

In addition, the system needs to add the following header information for each of the audio 
and video packets above: 
20 bytes IP-header, 8 bytes UDP-header and 12 bytes RTP-header (i.e. 40 bytes in total). 

Содержание D13192

Страница 1: ...Technical Description of TANDBERG Gateway with software version G2 TANDBERG D13192 Rev 02...

Страница 2: ...ynamic playout buffering 12 4 1 5 4 Asymmetrical media capabilities 12 4 1 5 5 Diagnostic tools for IP 12 4 1 5 6 Latency Jitter 12 4 1 5 7 Layer 4 Ports used in H 323 13 4 1 5 8 IP packet sizes 13 4...

Страница 3: ...sable Services 29 4 6 5 4 Security Alert 29 4 6 6 Layer 4 ports used by the system 30 5 MISCELLANEOUS FEATURES 31 5 1 PHONE BOOK 31 5 2 FILE SYSTEM FTP 31 5 2 1 Picture files 31 5 2 2 Sound files 31 5...

Страница 4: ...features are included in the TANDBERG Gateway thus there is no additional hardware required to use any of the inbuilt features All features of the TANDBERG Gateway are based on standards set by the I...

Страница 5: ...In the standard version the TANDBERG Gateway supports up to 2 Mbps bandwidth on ISDN With the bandwidth option installed it can handle up to 4 Mbps bandwidth on ISDN 3 Operation and User Interface Th...

Страница 6: ...ork Interfaces 4 x PRI RJ 45 Jack Primary Rate G 703 Interfaces 2 x Ethernet RJ 45 Jack LAN interfaces 10 100 Mb 2 4 x PRI RJ 45 jack Primary Rate G 703 interface for transmission speeds from 112 kbps...

Страница 7: ...not required if the system is within 200 m 655 ft of the last repeater The TANDBERG Gateway supports the PRI protocols AT T Custom National ISDN and ETSI Euro ISDN The AT T and National protocols wil...

Страница 8: ...e Megacom 800 3 Megacom 6 ACCUNET Switched Digital Service incl Switched Digital International 7 Long Distance Service incl AT T World Connect 8 International Toll Free Service 1800 16 AT T MultiQuest...

Страница 9: ...e ISDN number 67117780 The TANDBERG Gateway transfers the call to the H 323 Alias 97780 4 1 3 2 Interactive Voice Response IVR This feature is used when one main ISDN number is used for the TANDBERG G...

Страница 10: ...ossible to define up to 20 different services on the TANDBERG Gateway The TANDBERG Gateway have two default services Service Prefix 0 Video call with maximum bandwidth 384kbps Service Prefix 1 Telepho...

Страница 11: ...v is an extension of IP precedence where values from 0 to 63 63 Highest priority can be set 4 1 5 1 3 IP type of service TOS TOS helps a router select a routing path when multiple paths are available...

Страница 12: ...ing to see if there is at least an IP route to the gatekeeper or to the endpoint Traceroute Traceroute does exactly that it traces the route an IP packet takes to reach its destination and displays al...

Страница 13: ...DP Audio Range 2326 2837 UDP Data FECC Range 2326 2837 UDP 4 1 5 8 IP packet sizes Audio The TANDBERG Gateway can receive up to 60 ms of audio in each packet The TANDBERG Gateway is sending 20 ms of a...

Страница 14: ...ible with all terminals IPLR is a special algorithm developed at TANDBERG that will make efforts to reconstruct the lost packets and reduce the visual effects caused by packet losses If the TANDBERG G...

Страница 15: ...at there is no signal and thus no framing info received This has same effect as pulling out the PRI cable Yellow Alarm Yellow alarm or Remote Alarm Indicator RAI means that the TANDBERG Gateway is rec...

Страница 16: ...an be made from data rates up to 2 Mbps via ISDN networks ICM is a highly sophisticated feature provided by the TANDBERG Gateway that e g makes the connection between two sites more reliable and safe...

Страница 17: ...1472 kbps 23x64kbps III In addition each call has a Call Weight depending on bandwidth and encryption as follows Video calls Bandwidth 64 128 192 256 320 384 512 768 1152 1472 1920 Non encr 74 80 82 8...

Страница 18: ...standard H 235 and H 320 based on ITU standard H 233 and H 234 The encryption algorithms used in the TANDBERG Gateway and all other TANDBERG systems are The Data Encryption Standard DES with a 56 bits...

Страница 19: ...is supported for meetings up to 768 kbps and for the TANDBERG feature DuoVideo Note For an encrypted call the endpoints must support encryption AES or DES If encryption is enabled the TANDBERG Gatewa...

Страница 20: ...t up Incoming Outgoing TANDBERG Gateway calls Normally the TANDBERG Gateway will set up only 1 channel from PRI 1 and build up the channels starting from the bottom of the last PRI in use This will en...

Страница 21: ...the pin out is shown in table below Signal Name Direction Pin number Carrier detect CD From DCE 1 Receive data RXD From DCE 2 Transmit data TXD To DCE 3 Data terminal ready DTR From DCE 4 Signal grou...

Страница 22: ...ts The TANDBERG Gateway supports the following video formats Native NTSC SIF Source Input Format 352 x 240 pixels 4SIF 704 x 480 pixels Native PAL CIF Common Intermediate Format 352 x 288 pixels 4CIF...

Страница 23: ...from a TANDBERG endpoint and transmit it as People Content to PolyCom iPower8 on H 320 Note This feature must be enabled in the TANDBERG Gateway configuration Web page or via Telnet to work with the...

Страница 24: ...ire sound When endpoints are entering a conference and a extension number is required they will be asked to enter the extension number by using DTMF tones It is possible to customize this sound by sto...

Страница 25: ...base T and 100base T compatible and is used for H 323 conferences as well as management features of the TANDBERG Gateway such as connecting to the internal web server Telnet and FTP server The system...

Страница 26: ...t are returned by the Web server It uses Secure Socket Layer SSL as a sublayer under its regular HTTP application layering HTTPS uses port 443 instead of HTTP port 80 in its interactions with the lowe...

Страница 27: ...e 4 6 4 3 Management using a standard Telnet client i e a Telnet program bundled with the Windows operating system This gives the user the same functionality as from the web interface and the RS232 po...

Страница 28: ...y HTTPS In the latter case https 10 0 5 203 will work but not http 10 0 5 203 4 6 5 2 Telnet Challenge Service When password protection is enabled for a system a user will be requested for a password...

Страница 29: ...to the Ethernet port via an ISDN conference However if wanted the following services may be disabled enabled with API commands Telnet Service Telnet Challenge Service HTTP Service HTTPS Service FTP S...

Страница 30: ...nge 2326 2837 UDP FTP control 21 TCP Telnet 23 TCP HTTP 80 TCP HTTPS 443 TCP NTP 123 UDP incoming to TANDBERG Gateway SNMP Queries 161 UDP SNMP Traps 962 UDP outgoing from TANDBERG Gateway Netlog 963...

Страница 31: ...default files are hidden All the files described below are stored with the filenames indicated in brackets When storing any of these files directly from FTP the filenames specified must be used Howeve...

Страница 32: ...Technical Description of TANDBERG Gateway with software version G2 D13192 Rev 02 32 Directory dir prm This file contains the directory phonebook of the TANDBERG Gateway...

Страница 33: ...makes the company itself a company with a low rate of emissions and effects on the environment TANDBERG s policy is to make sure our partners produce our products with minimal influence on the environ...

Страница 34: ...nnection of Tele Terminal Equipment TBR 4 Comply with EU s Commission Decision 1999 5 EC 7 2 EMC Emission Radiated Electromagnetic Interference EN55022 1994 A1 1995 A2 1997 CISPR 22 1993 Corr and Am 1...

Страница 35: ...roduct complies with the standards GR 63 CORE and GR 1089 CORE and is NEBS approved by UL For NEBS compliance the product should be installed in the following manner Use the enclosed rack brackets mar...

Страница 36: ...POH for the TANDBERG Gateway is 69 000 hours The MTBF value is dependent on correct handling e g ESD protective measures are used installation and use of the TANDBERG Gateway The Useful Life Cycle fo...

Страница 37: ...es for TANDBERG Gateway Part no Length PRI cables 4 111890 M1 M2 M3 M4 5 0 m 16 7 ft Ethernet cable 112083 5 0 m 16 7 ft RS232 cable 112489 3 0 m 10 0 ft Power cables International package 110207 EU 1...

Страница 38: ...3 Operating Temperature and Humidity 0 C to 35 C 32 F to 95 F ambient temperature 10 to 90 Relative Humidity RH 9 4 Storage and Transport Temperature 20 C to 60 C 4 F to 140 F at RH 10 90 non condensi...

Страница 39: ...net HTTP HTTPS SNMP Enterprise Management XML SOAP Embedded WEB server Support for TANDBERG Management Suite 10 100Mbit full half duplex manual or auto detect selection Other Supported ITU Standards H...

Страница 40: ...eduler and TANDBERG Management Suite Optional Embedded WEB server Total Conference and Call control System diagnostics Environmental Data Operating Temperature 0 C to 35 C 32 F to 95 F ambient tempera...

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