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Page 181 / 344 Scroll up to view Page 176 - 180
Chapter 16 VoIP
P-2601HN(L)-F1 Series User’s Guide
181
16.3
The SIP Account Screen
The ZyXEL Device uses a SIP account to make outgoing VoIP calls and check if an
incoming call’s destination number matches your SIP account’s SIP number. In
order to make or receive a VoIP call, you need to enable and configure a SIP
account, and map it to a phone port. The SIP account contains information that
allows your ZyXEL Device to connect to your VoIP service provider.
Use this screen to maintain basic information about the SIP account. You can also
enable and disable the SIP account, configure the volume, echo cancellation and
VAD (Voice Activity Detection) settings for each individual phone port on the
ZyXEL Device.
Voice Activity Detection/Silence Suppression
Voice Activity Detection (VAD) detects whether or not speech is present. This lets
the ZyXEL Device reduce the bandwidth that a call uses by not transmitting “silent
packets” when you are not speaking.
Comfort Noise Generation
When using VAD, the ZyXEL Device generates comfort noise when the other party
is not speaking. The comfort noise lets you know that the line is still connected as
total silence could easily be mistaken for a lost connection.
Min-SE
Enter the minimum number of seconds the ZyXEL Device lets a SIP
session remain idle (without traffic) before it automatically disconnects
the session. When two SIP devices start a SIP session, they must agree
on an expiration time for idle sessions. This field is the shortest
expiration time that the ZyXEL Device accepts.
Dialing Interval Selection
Dialing Interval
Selection
Enter the number of seconds the ZyXEL Device should wait after you
stop dialing numbers before it makes the phone call. The value depends
on how quickly you dial phone numbers.
PSTN Fail Over
(“L” models
only)
Select this check box if you want to redirect the outgoing calls to the
PSTN line (that do not use the Internet) when your SIP account is
unregistered or SIP call has failed.
Apply
Click
Apply
to save your changes.
Cancel
Click
Cancel
to restore your previously saved settings.
Table 47
VoIP > SIP > SIP Service Provider (continued)
LABEL
DESCRIPTION
Page 182 / 344
Chapter 16 VoIP
P-2601HN(L)-F1 Series User’s Guide
182
Echo Cancellation
G.168 is an ITU-T standard for eliminating the echo caused by the sound of your
voice reverberating in the telephone receiver while you talk.
To access the following screen, click
VoIP > SIP > SIP Account
.
Figure 82
VoIP > SIP > SIP Account
The following table describes the labels in this screen.
Table 48
VoIP > SIP > SIP Account
LABEL
DESCRIPTION
Add new SIP
Account
Click this to configure a new SIP account.
#
This is the index number of the entry.
Active
This shows whether the SIP account is activated or not.
A yellow bulb signifies that this SIP account is activated. A gray bulb
signifies that this SIP account is deactivated.
SIP Account
This shows the name of the SIP account.
Account No.
This shows the SIP number.
Modify
Click the
Edit
icon to configure the SIP account.
Click the
Delete
icon to delete this SIP account from the ZyXEL Device.
Page 183 / 344
Chapter 16 VoIP
P-2601HN(L)-F1 Series User’s Guide
183
16.3.1
Add/Edit SIP Account
You can configure a new SIP account or edit one. To access this screen, click
Add
new SIP Account
in the
SIP Account
screen or the
Edit
icon next to an existing
account.
Figure 83
SIP Account: Add/Edit
Page 184 / 344
Chapter 16 VoIP
P-2601HN(L)-F1 Series User’s Guide
184
Each field is described in the following table.
Table 49
SIP Account
Add/Edit
LABEL
DESCRIPTION
SIP Service Provider Selection
Service
Provider
Selection
Select the SIP service provider profile you want to use for the SIP
account you configure in this screen.
This field is view-only if you are editing the SIP account.
General
SIP Account
Select the
Active SIP Account
check box if you want the ZyXEL Device
to use this account. Clear it if you do not want the ZyXEL Device to use
this account.
SIP Account
Number
Enter your SIP number. In the full SIP URI, this is the part before the @
symbol.
You can use up to 127 printable ASCII characters.
Authentication
Username
Enter the user name for registering this SIP account, exactly as it was
given to you. You can use up to 95 printable ASCII characters.
Password
Enter the password for registering this SIP account, exactly as it was
given to you. You can use up to 95 printable ASCII characters.
URL Type
URL Type
Select whether or not to include the SIP service domain name when the
ZyXEL Device sends the SIP number.
SIP
- include the SIP service domain name.
TEL
- do not include the SIP service domain name.
Voice Features
Primary
Compression
Type
Secondary
Compression
Type
Third
Compression
Type
Select the type of voice coder/decoder (codec) that you want the ZyXEL
Device to use. G.711 provides higher voice quality but requires more
bandwidth (64 kbps).
•
G.711MuLaw
is typically used in North America and Japan.
•
G.711ALaw
is typically used in Europe.
•
G.729
only requires 8 kbps.
•
G.726-32
operates at 16, 24, 32 or 40 kbps.
•
G.722
operates at 48, 56 and 64 kbps.The ZyXEL Device must use
the same codec as the peer. When two SIP devices start a SIP
session, they must agree on a codec.
•
G.723
provides good voice quality, and requires 20 or 40 kbps.
Select the ZyXEL Device’s first choice for voice coder/decoder.
Select the ZyXEL Device’s second choice for voice coder/decoder. Select
None
if you only want the ZyXEL Device to accept the first choice.
Select the ZyXEL Device’s third choice for voice coder/decoder. Select
None
if you only want the ZyXEL Device to accept the first or second
choice.
Speaking
Volume
Control
Enter the loudness that the ZyXEL Device uses for speech that it sends
to the peer device.
Minimum
is the quietest, and
Maximum
is the loudest.
Page 185 / 344
Chapter 16 VoIP
P-2601HN(L)-F1 Series User’s Guide
185
Listening
Volume
Control
Enter the loudness that the ZyXEL Device uses for speech that it
receives from the peer device.
Minimum
is the quietest, and
Maximum
is the loudest.
Active G.168
(Echo
Cancellation)
Select this if you want to eliminate the echo caused by the sound of
your voice reverberating in the telephone receiver while you talk.
Active VAD
(Voice Active
Detector)
Select this if the ZyXEL Device should stop transmitting when you are
not speaking. This reduces the bandwidth the ZyXEL Device uses.
Call Features
Send Caller ID
Select this if you want to send identification when you make VoIP phone
calls. Clear this if you do not want to send identification.
Active Call
Transfer
Select this to enable call transfer on the ZyXEL Device. This allows you
to transfer an incoming call (that you have answered) to another
phone.
Active Call
Waiting
Select this to enable call waiting on the ZyXEL Device. This allows you
to place a call on hold while you answer another incoming call on the
same telephone (directory) number.
Call Waiting
Reject Timer
Specify a time of seconds that the ZyXEL Device waits before rejecting
the second call if you do not answer it.
Active
Unconditional
Forward
Select this if you want the ZyXEL Device to forward all incoming calls to
the specified phone number.
Specify the phone number in the
To Number
field on the right.
Active Busy
Forward
Select this if you want the ZyXEL Device to forward incoming calls to
the specified phone number if the phone port is busy.
Specify the phone number in the
To Number
field on the right.
If you have call waiting, the incoming call is forwarded to the specified
phone number if you reject or ignore the second incoming call.
Active No
Answer Forward
Select this if you want the ZyXEL Device to forward incoming calls to
the specified phone number if the call is unanswered. (See
No Answer
Time
.)
Specify the phone number in the
To Number
field on the right.
No Answer Ring
Time
This field is used by the
Active No Answer Forward
feature.
Enter the number of seconds the ZyXEL Device should wait for you to
answer an incoming call before it considers the call is unanswered.
Apply
Click
Apply
to save your changes.
Back
Click
Back
to return to the previous screen without saving.
Table 49
SIP Account
Add/Edit (continued)
LABEL
DESCRIPTION

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