Telos Zephyr Xstream User Manual page 233

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
AT&T/Lucent 5ESS
AT&T/Lucent 5ESS
NORTEL DMS-100
NORTEL DMS-100
JAPAN NTT
EUROPE & Others
(Various switches)
USER'S MANUAL
BRI LINE
PROTOCOL
AT&T Custom Point AT&T Cust. (PTP)
to Point
National ISDN-1 Natl. I-1
National ISDN-2
Custom Functional DMS Cust.
National ISDN-1 Natl. I-1
National ISDN-2
Ins 64 Ins 64
ETS 300 ETS300
Section 11: THE WORKS – Detailed Menu Reference
CORRECT TELCO
SETTING
No SPIDs. One phone
number accesses both
channels
SPIDs required
DNs required
SPIDs required
DNs required
SPIDs required
DNs required
No SPIDs
MSNs may be used
(optional)
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)
NOTES:
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