TANDBERG D13192 Hotline, IP Dial Out Services, Service Prefixes, Ethernet / LAN Interface H.323

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Technical Description of TANDBERG Gateway with software version G2

4.1.3.4 Hotline

When calling the Hotline number specified in the TANDBERG Gateway, the call is automatically transferred to a predefined H.323 alias. This feature can be used when an operator or helpdesk is needed.

All ISDN Dial In features (DID, IVR, TCS-4 and Hotline) can be used in any combination.

4.1.4IP Dial Out Services

4.1.4.1 Service Prefixes

A Service Prefix is used when dialing from a H.323 endpoint to a ISDN endpoint. By dialling the prefix, followed by the ISDN number, the call is transferred through the gateway, to the remote site on ISDN. The service defines the type of call (telephone/video) and bandwidth for the connection.

It is possible 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’

Telephone call

4.1.5Ethernet / LAN Interface (H.323)

The TANDBERG Gateway has two RJ-45 jacks5 for the Ethernet interface (manual or automatic detection of 10/100Mb) and supports call rates up to 2 Mbps. The ITU-T standard H.323 v4 protocol is implemented in the TANDBERG Gateway.

The following features are specifically relevant for this network interface:

4.1.5.1 Quality of Service features (QoS)

4.1.5.1.1IP precedence

IP precedence is a classification of packets from 0 (low priority) to 7 (high priority). The values 6 and 7 are typically reserved for congestion control. IP precedence helps a router select what kind of traffic to prioritise. By means of queue mechanisms, it can select

5 Ethernet port no.2 is not used in software version G2.

D13192 Rev. 02

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Contents Tandberg Table of contents Miscellaneous Features Introduction Operation and User Interface Product DescriptionSoftware Network Interfaces and Features Tandberg Gateway Interfaces & FeaturesMultiple Calls PRI Trunk Grouping PRI E1/T1 IsdnIsdn number plan PRI E1/T1 IsdnPRI Pinout Service code ref.1Sprint Service code ref.2 PRI T1 US onlyExample Dial In ServicesDirect Inwards Dialing did Interactive Voice Response IVRQuality of Service features QoS IP Dial Out ServicesService Prefixes HotlineIP adaptive bandwidth management Asymmetrical media capabilities Diagnostic tools for IPDynamic playout buffering Latency & JitterAudio Function Port TypeVideo Intelligent Packet Loss Recovery Iplr Yellow Alarm Description of PRI AlarmsRed Alarm Blue AlarmIntelligent Call Management ICM Video calls Tandberg Gateway CapacityTelephone calls Tandberg Gateway Capacity typical scenarios for 4Mb Option Secure Conference Encryption10 H.243 Multipoint Transparency 2 H.221 Aggregation StandardsIsdn channel set-up 3 H0API commands RS232 Interface/Application Programmable Interface APIVideo Formats Video FeaturesOptimised Video Compression Asymmetric Video FormatsGateway Call Proceeding Duo VideoCustom pictures GW Extension Enquire pictureTelephony Audio FeaturesCustom Sounds Audio Compression AlgorithmsEthernet/LAN Interface System ManagementPlatform Requirements Transport Control Protocol/User Datagram Protocol/Internet Dynamic Host Configuration Protocol, enabling the system toProtocols Supported Simple Network Management Protocol , standard for networkSystem Management Functionality SecurityTelnet Challenge Service SSLDisable Services Security AlertIncoming H.323 call Layer 4 ports used by the systemOutgoing H.323 call Listening socketsPhone book Miscellaneous featuresFile system FTP Directory dir.prm TANDBERG’s Environmental Policy Environmental IssuesEnvironmental Considerations Connection of Tele-Terminal Equipment Electrical SafetyProduct Approvals EMC Emission Radiated Electromagnetic InterferenceNebs approval Product Reliability Mechanical information10 Technical specification of Tandberg GatewayPackaging Storage and Transport Temperature Operating Temperature and HumiditySystem Power Consumption Technical Specification sheet Live Video ResolutionsEmbedded WEB server