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Page 71 / 129 Scroll up to view Page 66 - 70
TD-VG3631
300Mbps Wireless N VoIP ADSL2+ Modem Router User Guide
62
¾
DSCP for SIP/RTP:
DSCP(Differentiated Services Code Point) is the first 6 bits in the ToS
byte. DSCP marking allows users to assign specific application traffic to be executed in
priority by the next Router based on the DSCP value. Select DSCP for the SIP(
Session
Initiation Protocol
) and RTP(Real-time Transport Protocol) respectively. If you are unsure,
please always keep the default value.
¾
Dtmf Relay setting:
DTMF is Dual Tone Multi Frequency. Options available are SIPInfo,
RFC2833, and InBand. If you are unsure which one to choose, please always keep the
default value.
•
SIPInfo
– If it is selected, the Router will capture the DTMF tone and transfer it into SIP
form. Then it will be sent to the remote end with SIP message.
•
RFC2833
– If it is selected, the Router will capture the keypad number you pressed and
transfer it into digital form then send to the other side; the receiver will generate the tone
according to the digital form it receives. This function is very useful when the network
traffic congestion occurs and it still can remain the accuracy of DTMF tone.
•
InBand
– If it is selected, the Router will send the DTMF tone as audio directly when you
press the keypad on the phone.
¾
Registration Expire Timeout(s):
Expire time for the registration message sending.
¾
Registration Retry Interval(s):
Set the time duration for your SIP Registrar server to keep
your registration record. Before the time expires, the Modem Router will send another register
request to SIP Registrar again. If you are unsure of it, please always keep the default value.
¾
Enable T38 support:
T38 specifies a protocol for transmitting a fax across IP network in real
time. It allows the transfer of fax documents in real-time between two standard Group 3
facsimile terminals over the Internet or other networks using IP protocols. It will only function
when both sites support this feature and are enabled.
PSTN Setup
¾
Incoming PSTN Calls Routing:
Choose a method for the Router to decide where to route
the incoming call on PSTN network.
•
Phone-Physical Phone
–
The Router will route the incoming call according to the
physical line selected in “Route Incoming PSTN Calls To” field. For example, if “Idle
Phone” is selected, the Router will first judge the status of Phone 1. If it is free, then the
incoming call will be routed to Phone 1. Otherwise, the Router will go on judging the
status of Phone 2.
•
VoIP-VoIP call
– The Router will route the incoming call according to the SIP number
and account set in “SIP URI of PSTN endpoint” field. For example, if “2654321@test1” is
input, the Router will directly route the incoming call to 2654321 through test1. The SIP
number and account can be a remote one, say a friend’s SIP number and account.
Besides, VoIP-VoIP call allows second dialing when the SIP number but not account is
left blank, for example “@test1”. This function is applicable on the FXO ports that function
as a bridge between VoIP call and PSTN. The user can remotely use the VoIP line to
initial a call.
¾
PSTN polarity reversal support:
This feature is disabled by default. If you are unsure of it,
please always keep the default.
Page 72 / 129
TD-VG3631
300Mbps Wireless N VoIP ADSL2+ Modem Router User Guide
63
4.7.5 Speed Dial
Choose “
Voice
”
Æ
“
Speed Dial
”, you will see the screen as shown in Figure 4-44. This section
introduces how to configure Speed Dial for your account.
Speed Dial function can help to store frequently used telephone numbers and make your dial more
convenient. It allows you to make a call by pressing a short number and the pound sigh # on the
phone keypad instead of the original number.
Figure 4-44
To add a Speed Dial entry, click the
Add
button and you will see the screen as shown in Figure
4-45. Fill in the following parameters and then click the Save button.
Figure 4-45
¾
Number:
Enter a phone number.
¾
Speed Dial:
Enter a number from 0~99.
Click the
Save
button, you will go back to the previous page and see the following list as shown in
Figure 4-46.
Figure 4-46
Click the
Save
button to make the configuration take effect. If you want to delete the entry, check
the
Remove
box first, and then click the
Remove
button.
4.7.6 Call Log
Choose “
Voice
”
Æ
“
Call Log
”, you will see the screen as shown in Figure 4-47. This function allows
you to view call logs and configure call log options.
Page 73 / 129
TD-VG3631
300Mbps Wireless N VoIP ADSL2+ Modem Router User Guide
64
Figure 4-47
¾
Call Log:
Check the Enable if you want to make this function take effect; otherwise check the
Disable.
¾
Start:
Beginning time of the call.
¾
Source:
Caller ID, either phone number or IP address.
¾
Dest:
Callee ID, either phone number or IP address.
¾
Type:
Call types, including Incoming (VoIP), Incoming (PSTN), Outgoing (VoIP) and
Outgoing (PSTN).
¾
Process:
Process types, including Connected, Local forward, Remote forward, Local transfer,
Remote transfer, Conference and Unconnected.
¾
Time:
Total call time.
To configure the view of call log, click the
Config
button and you will see the screen as shown in
Figure 4-48. This page displays all the call types and process types. You can choose some of
them or all of them. Check the boxes before the corresponding options which you desire to view
and click the
Save
button to make the configuration take effect.
Figure 4-48
4.7.7 Call Firewall
Choose “
Voice
”
Æ
“
Call Firewall
“, you can see the next submenus:
Page 74 / 129
TD-VG3631
300Mbps Wireless N VoIP ADSL2+ Modem Router User Guide
65
Call Firewall can be used to control incoming calls. This section introduces how to configure the
Call Firewall. Choose “
Voice
”
Æ
“
Call Firewall
“
Æ
“
Mode Setting
“, you will see the screen as
shown in Figure 4-49.
Figure 4-49
¾
Call Firewall Enable:
Check the box if you want to make the Call Firewall take effect.
¾
Black:
Check the
Black
box to enable Black List mode. Calls from numbers placed in the
Black List will be denied.
¾
White
: Check the
White
box to enable White List mode. Only calls from numbers placed in
the White List will be allowed.
¾
RejectAll:
Check the
RejectAll
box to enable Reject All mode. All incoming calls will be
denied.
To configure the Black List, choose “
Voice
”
Æ
“
Call Firewall
”
Æ
“
Black List
“ on the left menu or
click the
Black List
button on screen as shown in Figure 4-49, you will see the screen as shown in
Figure 4-50.
Figure 4-50
To add a new entry, click the
Add
button and you will see the screen as shown in Figure 4-51.
Page 75 / 129
TD-VG3631
300Mbps Wireless N VoIP ADSL2+ Modem Router User Guide
66
Figure 4-51
Enter a number with the length in the range of [3, 16]in the field of
Black List Number
and Click
the
Save
button to make the configuration take effect, then you will go back to the previous page
and see the following list as shown in Figure 4-50. If you want to delete the entry, check the
Remove
box first and then click the
Remove
button.
To configure the White List, choose “
Voice
”
Æ
“
Call Firewall
”
Æ
”
White List
” on the left menu or
click the
White List
button on the screen as shown in Figure 4-49, then you will see the screen as
shown in Figure 4-52.
Figure 4-52
To add a new entry, click the
Add
button and you will see the screen as shown in Figure 4-53.
Figure 4-53
Enter a number with the length in the range of [3, 16] in the field of
White List Number
and click
the
Save
button to make the configuration take effect, then you will go back to the previous page
and see the following list as shown in Figure 4-52. If you want to delete the entry, check the
Remove
box first and then click the
Remove
button.
)
Note:
1. Partial matching rule is applied here, so this function works for all the incoming call numbers
that start with the number you have configured in the Black List or the White List. For example, if
the number you have configured in the Black List is 555, with Black List mode enabled the
incoming call number 5554510 will be denied.
2. If the numbers set in Black List and White List overlaps with each other, longest matching rule
will function in this situation. That is, with Black List mode enabled, incoming call numbers that
start with the number set in Black List may be allowed, and vice versa. For example, if you set 222

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