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AVM VoIP-Gateway 5188 and VoIP-Gateway 5144

AVM VoIP-Gateway 5188 and VoIP-Gateway 5144
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Berlin/Hanover (ots)

AVM Presents Professional VoIP for PBXs- 
   VoIP for Businesses More Convenient Than Ever
- Connects PBX systems to ADSL/ADSL2+, VoIP and fixed phone lines
   - For PBXs with up to four S0 ISDN lines
   - No adjustments to the existing PBX necessary
   - ISDN and SIP convenience features for Internet telephony
   - ADSL router with firewall, traffic shaping, budgets, VPN
At CeBIT, AVM presents its first Voice over IP solution that is
completely tailored to business users: the VoIP-Gateway 5188.
Installed between the ISDN point-to-point or point-to-multipoint line
and the ISDN PBX, it allows all the phones connected to the PBX to
dial calls over the fixed line or over the Internet. With four S0
interfaces, the VoIP-Gateway 5188 permits eight calls simultaneously.
At the same time, network devices connected to its four LAN ports
have access to ADSL and ADSL2+. The integrated VPN router provides
secure access to the corporate network from outside.
Professional VoIP for PBX Systems
The VoIP-Gateway 5188 provides Voice-over-IP access for PBX
systems with up to eight outgoing ISDN channels. No adjustments to
the existing PBX are necessary, and its fixed-line numbers remain
accessible as before. The voice fidelity of Internet calls offers the
same sound quality that ISDN users are accustomed to. Moreover, its
integrated bandwidth management can regulate other data streams over
the ADSL line during VoIP calls, so that Internet telephony always
has optimum connection quality.  When multiple calls take place at
the same time, the VoIP-Gateway 5188 automatically performs a dynamic
codec adaptation. For Internet telephony, the limited upstream
throughput of an ADSL line is a critical parameter. This throughput
rate should be chosen to accommodate the possible number of
simultaneous calls. If ADSL is not available, outgoing calls can be
automatically routed over ISDN by a configurable fixed-line fall-back
connection. The Gateway supports up to 20 SIP addresses, as well as
SIP trunk accounts with DDI. Both ISDN and VoIP calls can use
services and convenience features such as call holding, three-party
calls, call waiting, call-back on busy, and internal and external
call forwarding.
ADSL, Firewall, VPN
The VoIP-Gateway 5188 incorporates an efficient ADSL/ADSL2+ modem
and a complete ADSL router. Thanks to dual mode technology, the
VoIP-Gateway can also be connected in a network and used with cable
or other broadband access technologies. Its integrated packet
firewall with stateful inspection ensures LAN security, and supports
UPnP and manual port forwarding for local servers. The VoIP-Gateway's
DHCP server provides automatic IP configuration for PCs in the LAN.
Network devices connected to the VoIP-Gateway's four LAN ports can be
either interconnected to form one network, or physically and
logically isolated from one another. Moreover, the VoIP-Gateway
5188's IPsec implementation permits secure VPN connections to remote
networks and stand-alone PCs. All of the ADSL, router, VPN, and VoIP
settings are entered and edited conveniently through a
password-protected web page.
Two Models: AVM VoIP-Gateway 5188 and AVM VoIP-Gateway 5144
AVM offers two models for professional VoIP use-the AVM VoIP-Gateway
5188 (for four S0 ISDN lines) and the AVM VoIP-Gateway 5144 (for two
S0 lines). AVM's service includes free firmware updates, free
support, and a five-year warranty.

Contact:

Urban Bastert
Public Relations Office
AVM GmbH
Alt-Moabit 95, 10559 Berlin
http://www.avm.de
Fon +49 (0) 30 / 3 99 76 -214
Fax +49 (0) 30 / 3 99 76 -640
Mail u.bastert@avm.de

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