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Technical Description of TANDBERG Gateway with software version G2
D13192 Rev. 02 2
Table of contents
1 INTRODUCTION............................................................................................................................................ 4
2 PRODUCT DESCRIPTION............................................................................................................................ 5
2.1 SOFTWARE...................................................................................................................................................... 5
3 OPERATION AND USER INTERFACE ...................................................................................................... 5
4 TANDBERG GATEWAY INTERFACES & FEATURES........................................................................... 6
4.1 NETWORK INTERFACES AND FEATURES.......................................................................................................... 6
4.1.1 Multiple Calls ........................................................................................................................................... 6
4.1.2 PRI E1/T1 ISDN ....................................................................................................................................... 7
4.1.2.1 ISDN number plan........................................................................................................................................... 7
4.1.2.2 PRI Trunk Grouping........................................................................................................................................ 7
4.1.2.3 PRI E1/T1 ISDN.............................................................................................................................................. 7
4.1.3 Dial In Services......................................................................................................................................... 9
4.1.3.1 Direct Inwards Dialing (DID).......................................................................................................................... 9
4.1.3.2 Interactive Voice Response (IVR)................................................................................................................... 9
4.1.3.3 TCS-4 .............................................................................................................................................................. 9
4.1.3.4 Hotline........................................................................................................................................................... 10
4.1.4 IP Dial Out Services ............................................................................................................................... 10
4.1.4.1 Service Prefixes ............................................................................................................................................. 10
4.1.5 Ethernet / LAN Interface (H.323) ........................................................................................................... 10
4.1.5.1 Quality of Service features (QoS).................................................................................................................. 10
4.1.5.2 IP adaptive bandwidth management .............................................................................................................. 11
4.1.5.3 Dynamic 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
4.1.5.9 Intelligent Packet Loss Recovery (IPLR)....................................................................................................... 14
4.1.6 LEDs Description ................................................................................................................................... 15
4.1.6.1 Description of PRI Alarms............................................................................................................................. 15
4.1.7 Intelligent Call Management (ICM) ....................................................................................................... 16
4.1.8 TANDBERG Gateway Capacity.............................................................................................................. 17
4.1.8.1 TANDBERG Gateway Capacity – typical scenarios for 4Mb Option........................................................... 18
4.1.9 Secure Conference (Encryption)............................................................................................................. 18
4.1.10 H.243 Multipoint Transparency......................................................................................................... 19
4.2 AGGREGATION STANDARDS.......................................................................................................................... 20
4.2.1 BONDING............................................................................................................................................... 20
4.2.1.1 ISDN channel set-up...................................................................................................................................... 20
4.2.2 H.221 ...................................................................................................................................................... 20
4.2.3 H0 ........................................................................................................................................................... 20
4.3 RS232 INTERFACE/APPLICATION PROGRAMMABLE INTERFACE (API) ......................................................... 21
4.3.1 API commands........................................................................................................................................ 21
4.4 VIDEO FEATURES ......................................................................................................................................... 22
4.4.1 Optimised Video Compression................................................................................................................ 22
4.4.2 Video Formats ........................................................................................................................................ 22
4.4.3 Asymmetric Video Formats..................................................................................................................... 22
4.4.4 Duo Video............................................................................................................................................... 23
4.4.5 Custom pictures ...................................................................................................................................... 23
4.5 AUDIO FEATURES......................................................................................................................................... 24
4.5.1 Custom Sounds........................................................................................................................................ 24