Fxo Operating Modes; Ip-To-Telephone Calls; One-Stage Dialing - AudioCodes Mediant 1000 User Manual

7.3

FXO Operating Modes

This section provides a description of the FXO operating modes and gateway
configurations for Tel-to-IP and IP-to-Tel calls.
7.3.1

IP-to-Telephone Calls

The FXO gateway provides the following operating modes for IP-to-Tel calls:

One-stage dialing

•
Waiting for dial tone
•
Time to wait before dialing
•
Answer supervision
Two-stage dialing
Dialing time
•
Disconnect supervision
•
DID wink
7.3.1.1 One-Stage Dialing
One-stage dialing is when the FXO gateway receives an IP-to-Tel call, off-hooks the PBX
line connected to the telephone, and then immediately dials the destination telephone
number. In other words, the IP caller doesn't dial the PSTN number upon hearing a dial
tone.
SIP User's Manual
Figure 7-1: Call Flow for One-Stage Dialing
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Mediant 1000
Document #: LTRT-83302