ZyXEL Communications P-2602HWLNI, Руководство пользователя, Страница: 183 / 496

Chapter 11 Voice
P-2602HWLNI User’s Guide
183
Figure 104 SIP > QoS
Each field is described in the following table.
11.7 Phone
You can configure the volume, echo cancellation and VAD settings for each individual phone
port on the ZyXEL Device. You can also select which SIP account to use for making outgoing
calls.
11.7.1 PSTN Line
With the PSTN line you can make and receive regular PSTN phone calls. Use a prefix number
to make a regular call. When the device does not have power, you can make regular calls
without dialing a prefix number.
"
When the ZyXEL Device does not have power, only the phone connected to
the
PHONE 1 port can be used for making calls. Ensure you know which
phone this is, so that in case of emergency you can make outgoing calls.
Table 63 SIP > QoS
LABEL DESCRIPTION
SIP TOS Priority
Setting
Enter the priority for SIP voice transmissions. The ZyXEL Device creates Type of
Service priority tags with this priority to voice traffic that it transmits.
RTP TOS Priority
Setting
Enter the priority for RTP voice transmissions. The ZyXEL Device creates Type of
Service priority tags with this priority to RTP traffic that it transmits.
Voice VLAN ID Select this if the ZyXEL Device has to be a member of a VLAN to communicate
with the SIP server. Ask your network administrator, if you are not sure. Enter the
VLAN ID provided by your network administrator in the field on the right. Your LAN
and gateway must be configured to use VLAN tags.
Otherwise, clear this field.
Apply Click this to save your changes and to apply them to the ZyXEL Device.
Cancel Click this to set every field in this screen to its last-saved value.