Telos Zephyr Xstream - Manual (Page 233)

USER’S MANUAL
Section 11: THE WORKS – Detailed Menu Reference 221
TEL – Screen 3:
Telco:
This is your ISDN protocol. This must be set correctly for the Xstream to make or receive calls.
Select the correct value for your ISDN BRI circuit. Section 7 (ISDN Basics) has additional
background information on ISDN.
The correct setting will be determined by the type of Central Office switch providing your ISDN
service. Note that some switches offer more than one protocol. See below for a table showing
the correct settings for commonly used switches.
TELCO SWITCH BRI LINE
PROTOCOL
CORRECT TELCO
SETTING
NOTES:
AT&T/Lucent 5ESS AT&T Custom Point
to Point AT&T Cust. (PTP) No SPIDs. One phone
number accesses both
channels
AT&T/Lucent 5ESS National ISDN-1
National ISDN-2
Natl. I-1 SPIDs required
DNs required
NORTEL DMS-100 Custom Functional DMS Cust. SPIDs required
DNs required
NORTEL DMS-100 National ISDN-1
National ISDN-2
Natl. I-1 SPIDs required
DNs required
JAPAN NTT Ins 64 Ins 64 No SPIDs
MSNs may be used
(optional)
EUROPE & Others
(Various switches)
ETS 300 ETS300 NO SPIDs
Used in most countries
including Europe,
Australia, South Africa,
and most of South
America.
Multiple terminals
frequently share the S
interface.
MSNs may be used
(optional)