Netgear XM128 QIG - Quick Install Guide - Page 46

Dialing Pre-stored Phone Numbers

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Reference Guide for the Model XM128 ISDN Digital Modem Dialing Pre-stored Phone Numbers The ATDSn command, n=0,1,..,39, dials the (n+1)th phone number twice for both of the Multilink PPP connections. The command ATDSn+Sm, (n and n=0,1,...,39) dials the (n+1)th phone number for the first connection and the (m+1)th phone number for the second connection. Example: ATDIS0+S1 [Enter] dials the number stored in location 0, and the number stored in location 1 for the MPPP connection. Endpoint Discriminator The Endpoint Discriminator option represents identification of the system transmitting the packet. This option advises a system that the peer on this link could be the same as the peer on another existing link. Some Multilink PPP implementations require the use of the Endpoint Discriminator option. The Endpoint Discriminator consists of two components: Class and Address. The Class field is one octet as stored in S-register S85 and indicates the identifier address space. Table 5-1 lists the valid values of the S85 register. Table 5-1. Value 0 1 2 3 4 5 S85 register values Description Null Class (by default). Internet Protocol (IP) Address IEEE 802.3 Globally Assigned MAC Address. Locally Assigned Address. PPP Magic-Number Block. Public Switched Network Directory Number. The Endpoint Discriminator Address field is of variable length from 0 to 20 octets and can be assigned by the ATEPD command: ATEPD = 5-4 Async to Sync PPP

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Reference Guide for the Model XM128 ISDN Digital Modem
5-4
Async to Sync PPP
Dialing Pre-stored Phone Numbers
The ATDSn command, n=0,1,..,39, dials the (n+1)th phone number twice for both of the Multilink
PPP connections. The command ATDSn+Sm, (n and n=0,1,...,39) dials the (n+1)th phone number
for the first connection and the (m+1)th phone number for the second connection.
Example: ATDIS0+S1 [Enter] dials the number stored in location 0, and the number stored in
location 1 for the MPPP connection.
Endpoint Discriminator
The Endpoint Discriminator option represents identification of the system transmitting the packet.
This option advises a system that the peer on this link could be the same as the peer on another
existing link. Some Multilink PPP implementations require the use of the Endpoint Discriminator
option.
The Endpoint Discriminator consists of two components: Class and Address.
The Class field is one octet as stored in S-register S85 and indicates the identifier address space.
Table 5-1
lists the valid values of the S85 register.
The Endpoint Discriminator Address field is of variable length from 0 to 20 octets and can be
assigned by the ATEPD command:
ATEPD = <Octet_1,Octet_2,Octet_3,..,Octet_n>
Table 5-1.
S85 register values
Value
Description
0
Null Class (by default).
1
Internet Protocol (IP) Address
2
IEEE 802.3 Globally Assigned MAC Address.
3
Locally Assigned Address.
4
PPP Magic-Number Block.
5
Public Switched Network Directory Number.