Specifications

Matrix SETU ATA211 System Manual 147
Where,
T1ON, T1OFF, are ON and OFF period for first ring cadence and T2ON, T2OFF, are ON and OFF period for
second ring cadence.
Waveform for 'ring', is Sine Wave.
Frequently Asked Questions (FAQs)
Q.1 Which internet telephony (VoIP) protocols are supported by ATA211?
Ans. ATA211 supports Session Initiation Protocol (SIP) to make/receives calls on Internet network.
Q.2 Can I make a call to another SIP terminal (e.g. Soft Phone running on PC) in my LAN network?
Ans. Yes. You can make a call to any SIP terminal in your LAN just by dialing an IP address of the SIP
terminal. If you are not comfortable in dialing an IP address, you can use 'Peer to Peer' feature which
allows you to dial the number instead an IP address for such type of applications.
Q.3 I have only one Internet connection for Internet surfing. Do I need another internet connection for making
VoIP calls using ATA211?
Ans. No. You do not need another internet connection to use ATA211. ATA211 has inbuilt router which enables
you to surf internet and making VoIP calls at the same time.
Q.4 I am using the ATA211 to make VoIP calls and surf internet. I have connected my PC to LAN port of
Code Country
Frequency
(Hz)
CADENCE (In Seconds)
T1ON T1OFF T2ON T2OFF
01 Australia 25 0.4 0.2 0.4 2.0
02 Belgium 25 1.0 3.0
03 Brazil 25 1.0 4.0
04 China 25 1.0 3.0
05 Egypt 25 2.0 4.0
06 France 25 1.5 3.5
07 Germany 25 3.5 5.5 0.79 1.1
08 Greece 25 1.0 4.0
09 India 25 0.4 0.2 0.4 2.0
10 Israel 25 2.0 3.0
11 Italy 25 1.0 4.0
12 Japan 25 1.0 2.0
13 Korea 25 1.0 3.0
14 Malaysia 25 2.0 3.0
15 New Zealand 25 2.0 3.0
16 Poland 25 2.0 3.0
17 Portugal 25 1.0 5.0
18 Russia 25 1.0 3.0
19 Singapore 25 0.4 0.2 0.4 2.0
20 South Africa 25 0.4 0.2 0.4 2.0
21 Spain 25 1.5 3.0
22 Thailand 25 2.0 3.0
23 UAE 25 2.0 3.0
24 UK 25 0.4 0.2 0.4 2.0
25 USA/Canada 25 2.0 4.0