Technical Description of TANDBERG MCU with software version D3
D12925 Rev. 03
2
Table of contents
1
INTRODUCTION ............................................................................................................................................ 5
2
PRODUCT DESCRIPTION............................................................................................................................ 6
2.1
S
OFTWARE
V
ERSIONS
..................................................................................................................................... 6
3
OPERATION AND USER INTERFACE ...................................................................................................... 6
4
MCU INTERFACES & FEATURES ............................................................................................................. 7
4.1
N
ETWORK
I
NTERFACES AND
F
EATURES
......................................................................................................... 7
4.1.1
Mixed ISDN and IP Conferences.............................................................................................................. 8
4.1.2
Multiple conferences................................................................................................................................. 8
4.1.3
PRI E1/T1 ISDN ....................................................................................................................................... 8
4.1.3.1
ISDN numbers ................................................................................................................................................. 8
4.1.3.2
PRI E1/T1 ISDN.............................................................................................................................................. 9
4.1.4
Ethernet / LAN Interface (H.323) ........................................................................................................... 11
4.1.4.1
Quality of Service features (QoS).................................................................................................................. 11
4.1.4.2
Automatic selection of H.323 or H.320 outgoing calls.................................................................................. 12
4.1.4.3
IP adaptive bandwidth management .............................................................................................................. 12
4.1.4.4
Dynamic playout buffering ............................................................................................................................ 12
4.1.4.5
Asymmetrical media capabilities ................................................................................................................... 12
4.1.4.6
Diagnostic tools for IP ................................................................................................................................... 13
4.1.4.7
Latency & Jitter ............................................................................................................................................. 13
4.1.4.8
Layer 4 Ports used in H.323 meetings ........................................................................................................... 13
4.1.4.9
IP packet sizes ............................................................................................................................................... 14
4.1.4.10
Intelligent Packet Loss Recovery (IPLR) ...................................................................................................... 14
4.1.5
LEDs Description ................................................................................................................................... 15
4.1.5.1
Description of PRI Alarms ............................................................................................................................ 15
4.1.6
Intelligent Call Management (ICM) ....................................................................................................... 16
4.1.7
MCU Capacity ........................................................................................................................................ 17
4.1.7.1
MCU Capacity – typical scenarios................................................................................................................. 18
4.1.8
Dial Profiles............................................................................................................................................ 18
4.1.9
Secure Conference (Encryption)............................................................................................................. 19
4.1.9.1
Number of encrypted sites (software option 16+16)...................................................................................... 20
4.1.9.2
Number of encrypted sites (software option 8+8).......................................................................................... 20
4.1.10
MCU control (H.231/H.243).............................................................................................................. 20
4.1.10.1
H.243 Password............................................................................................................................................. 21
4.2
A
GGREGATION
S
TANDARDS
......................................................................................................................... 22
4.2.1
BONDING............................................................................................................................................... 22
4.2.1.1
ISDN channel set-up...................................................................................................................................... 22
4.2.2
H.221 ...................................................................................................................................................... 22
4.2.3
H0 ........................................................................................................................................................... 22
4.3
RS232 I
NTERFACE
/A
PPLICATION
P
ROGRAMMABLE
I
NTERFACE
(API) ......................................................... 23
4.3.1
API commands........................................................................................................................................ 23
4.4
V
IDEO
F
EATURES
......................................................................................................................................... 24
4.4.1
Optimised Video Compression................................................................................................................ 24
4.4.1.1
The ITU standard H.263 provides ................................................................................................................. 24
4.4.1.2
The ITU standard H.264 ................................................................................................................................ 24
4.4.2
Video Formats ........................................................................................................................................ 25
4.4.3
Asymmetric Video Formats..................................................................................................................... 25
4.4.4
Best Impression....................................................................................................................................... 25
4.4.4.1
Dynamic/Auto Layout switching ................................................................................................................... 25
4.4.4.2
Automatic Resolution switching.................................................................................................................... 27
4.4.4.3
Video Transcoding ........................................................................................................................................ 28
4.4.5
Duo Video ............................................................................................................................................... 29