iii
Contents
Contents
Important Safety Instructions iv
Introduction vi
I
Outline 1
The VoIP-TA
1
Features
1
Front panel
2
LEDs
2
Back panel
3
Connectors
3
II
Installation 5
Connections
5
Cautions
7
III
Placing Calls 8
Via an IP network
8
General operation
8
Services
9
Third party incoming call during another call
9
End-to-end service using DTMF signaling
10
Call transfer during a telephone Call
10
Absent service
12
Details of services
13
Using both a PSTN line and the IP network
13
Using the IP network only
16
IV
Troubleshooting 17
V
Specifications 18
Important Equipment Information 19
Warranty and Service 20