Ordering Your ISDN PRI or T1 Line 11
Provisioning a channelized T1 connection (robbed-bit)
This section explains how to order a T1 line that uses robbed-bit signaling for your
Diva Server T1/PRI adapter.

What to order

Specify the following when you place your order:
Switched T1 service for 56 kbps voice calls
No multichannel services (switchtec 384/H0 or 1536/H11)
Extended SuperFrame (ESF)
B8ZS line encoding
Wink Start E&M signaling
DTMF dialing
Answer supervision required for outgoing calls

Information to obtain when you order

Obtain the following information when you place your order. You will need this
information to properly configure your Diva Server T1/PRI adapter.
The type of ISDN switch your line is connected to.
AT&T/Lucent 4ESS
AT&T/Lucent 5ESS
Nortel DMS-250
Nortel DMS-100
Nortel DMS-250
National ISDN-2 (any switch running NI-2)
Japan INS-1500
Directory number assigned to the T1 line