Chapter A: International Planning and Installation Hardware Support
ShoreTel 8 Planning and Installation Guide 267
A.2.2.1 SIP Gateways
SIP Gateways may be available depending on the region. Please check on the ShoreTel
Partner’s website for the latest additions to the ShoreTel Technology Partner Program.
A.2.2.2 E1 PRI
The ShoreGear E1 and ShoreGear 220E1 voice switches support Euro-ISDN PRI over E1, as
specified in ETS TBR4 (ETSI’s European Telecommunications Standard, Technical Basis for
Regulation, TBR4).
When provisioning with the local carrier, be sure to order Euro-ISDN signaling and not the
older ISDN signaling.
A.2.2.3 BRI
The SG-90BRI voice switches support Euro-ISDN BRI, as specified in ETS TBR3 (ETSI’s
European Telecommunications Standard, Technical Basis for Regulation, TBR3).
When provisioning with the local carrier, be sure to order Euro-ISDN signaling and not the
older ISDN signaling.
A.2.3 Analog Telephones, Tones, Cadences, and Impedances
For all supported countries, standard analog telephones are available on a per-country
basis. The main difference between telephones in different countries is the line impedance.
The ShoreWare Distributed Call Control software will provide the appropriate impedance
required for each supported country. Tones, cadences, and impedance requirements are
matched on a per-country basis.
A.2.4 Hardware Availability Summary
The table below summarizes the homologation status of the hardware (voice switches) in a
given country.
Homologation refers to the process of getting approval to sell a product in any country. The
term applies to dishwashers, electronics, toasters, any other products. Because ShoreGear
voice switches connect directly to PSTN networks, requirements exist to prevent the voice
switch from causing a mishap within the system. There are also EMC requirements to
verify that radio wave leaks from a piece of hardware will not cause problems with other
electronic devices. In the USA, for instance, testing is required by the FCC to ensure that
circuit boards do not interfere with other devices, such as pacemakers and television sets.
There are also tests to determine things like flammability and electrical safety.
SG
T1
SG
E1
SG
SIP
BRI8
SG
40/8
SG
50
SG 60/
12
SG
90
SG
90
BRI
SG 120/
24
SG
220T1
SG
220E1
Australia
Austria
Belgium
Brazil
China
Table A-3 International Availability (ShoreGear Switches)a
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