Siemens HiPath 4000 User Manual download pdf (Page 3)

Trunk/networking features:

Trunk/networking allows the HiPath 4000

to be connected to or operated via the pub-

lic network, and permits the HiPath 4000 to

be connected with any communication sys-

tem via private networks. Standard proto-

cols such as QSIG and SIP and open

interfaces (e. g. CSTA) are employed. HiPath

4000 enables the efficient and economical

operation of communication networks.

Networking can be performed via ISDN,

ATM or IP – always with the full CorNet NQ

feature range (not valid for SIP). CorNet NQ

is a signaling protocol for private network

solutions based on Siemens standards. It is

aligned with the international QSIG private

network protocol for private networks.

The most significant advantages of homo-

geneous networking include the following:

● Central administration with HiPath 4000

Manager

● Implementation of central applications

(for example, HiPath Xpressions, HiPath

ProCenter)

● Enhanced voice features such as call

pick-up group, call park, directed call

pick-up, call forwarding, callback on

busy and callback no answer

● Optimized use of the corporate network

through cost-optimized routing (Least

Cost Routing, LCR)

– LCR ensures that the most economical

route is selected.Time-based to differ-

ent carriers

– Central administration of all LCR data

with HiPath 4000 Manager, local and

network-wide administration of all

outgoing, incoming and internal calls

IP Gateway HG 3500

HG 3500 an IP gateway for seamless migra-

tion to an IP infrastructure. With mainte-

nance of the standard functional diversity

voice and data connections can be man-

aged via a single network, which conse-

quently achieves cost savings.

HG 3500 offers:

● Voice compression (G.723, G.729)

● Redundant LAN interface

● Echo cancellation according to G.168

● T.38 for fax messages via IP trunking

● H.235 (Integrity and Authentication)

● 100 MB/s, full duplex (HG 3500 V4)

● 10/100 MB/s auto negotiation, select-

able as half/full duplex (HG 3500 V2)

● Payload switching/direct media

connections

● Adaptive jitter buffer

● Voice Activity Detection

● CNG (Comfort Noise Generation)

● Network Management Support (SNMP

Agent, SNMP Version 2, MIB2, Private

MIB for media streams)

● Up to 120 simultaneous connections

● Flexible assignment of stations/gate-

ways (up to 240)

● Simultaneous use of several functions

(e.g. HFA and IPDA)

● QoS in accordance with IEEE 802.1p/q

(VLAN tagging) and DiffServ (IETF RFC

2474)

● QDC support (QoS Data Collection)

● (native) SIP

● SIP-Q V2 (for connections to HiPath 8000

V3.1)

● Signaling and Payload encryption

( HiPath 4000 V4 R1 and later)

HG 3500 supports the following operating

modes (parallel):

● HFA (HiPath Feature Access): Up to 240

IP clients can be connected, such as

OpenStage HFA, AC-Win IP, AP1120 or

optiClient 130).

● SIP: Up to 240 SIP stations (e.g. optiPoint

410/420 SIP) can be connected or con-

nections set up to SIP Service Providers

or other platforms such as HiPath 2000,

3000, 4000, 5000 and 8000.

● IP Trunking: Cost-effective networking of

HiPath systems via IP can be set up on

the basis of H.323 Annex M1 while re-

taining the full set of CorNet NQ

features. The central controlling func-

tions are taken over by the Large

Enterprise Gatekeeper.

● IPDA (IP Distributed architecture): This

architecture enables several locations to

be networked with a HiPath 4000 system

(including on a global level). For this pur-

pose the access points are distributed to

the respective locations and connected

via an IP infrastructure.

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Siemens HiPath 4000 User Manual Page 3

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