
AMIS Analog Networking
585-300-512 Issue 7
May 1999
Planning and Design
2-13Network Design
2
Dial String Interaction
The
dial string
is either the first few digits dialed (for an AMIS casual or Message
Delivery setup), or the entire number the local voice mail system actually dials to
reach a remote machine (for a pre-administered AMIS setup). The dial string is
optional on AMIS casual systems and for message delivery, but is required for
AMIS one-step systems. The dial string you administer depends in part on the
extension length.
■
For AMIS one-step (pre-administered) addressing:
A dial string is
required. It can be up to 65 characters long, and typically consists of the
trunk-access code or dial-access code needed to reach the public or
private network, followed by the complete telephone number of the remote
machine. For example, the local voice mail system might dial
912015556000
to reach the remote system.
If desired, pause characters may be inserted in the string to have the
system pause before continuing to dial (for example, to wait for a dial
tone). A single “P” (including quotes) causes the system to pause
approximately 1.5 seconds; a “P” followed by a digit from 1 to 9 causes
the system to wait the specified multiple of 1.5 seconds.
■
For AMIS two-step (casual) and Message Delivery connections:
The dial
string (if used) may be from 0 to 24 characters long. It consists of any
numbers the system should add to the number subscribers dial to reach a
specific address. The dial string plus the extension must be less than or
equal to 29 characters. Some examples are:
— For a range of local numbers, the dial string might be
9
(or
whatever trunk-access code or dial-access code is assigned to
reach the public network). For example, if the extension length is
7
and a subscriber specifies a valid 7-digit address (such as
555-6000), the local system would dial
95556000
to reach the
remote machine.
— For a range of long-distance numbers, the dial string would
normally be
91
in the United States (the trunk- or dial-access code
followed by
1
). For example, if the extension length is
10
and a
subscriber specifies a valid 10-digit address (such as
201-555-6000), the local voice mail system would dial
912015556000
to reach the remote machine.
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