74 VoIP Subscriber Gateways
Syntax: 'call direction' (codecs: codec1, codec2, codec3, codec4)
where codec1, codec2, codec3, codec4 – codecs used on assigned direction in priority
order
Example: XXXX@10.16.24.5 (codecs: g723, g711u, g711a, g729a) – g.723 (in this
case priority is highest) g.711u, g.711a and g.729a (codec is assigned as final,
priority is lowest) codecs will be used for calls to XXXX@10.16.24.5. You should also
not forget that you cannot use more than one version of the g.729 codec at the
same time.
To save changes into operative memory of the device, click ‘Save’ button. To exit from editing
mode without saving, click ‘Cancel’ button.
To store settings into the non-volatile memory, click Apply button.
2.4.2 The ‘QoS’ submenu
Use this menu to configure QoS parameters.
QoS Configuration
- Minimal port number for UDP connections (UDP port min) – the lower limit of the RTP
port range used for voice traffic transmission;
- Maximal port number for UDP connection (UDP port max) – the upper limit of the RTP
port range used for voice traffic transmission;
- RTP DSCP – DSCP field value of IP packet header for voice traffic (it is set for hexadecimal
number system);
- Signalling DSCP – DSCP field value of IP packet header for signal traffic (it is set for
hexadecimal number system);
Changes in this submenu take effect immediately after clicking the 'Apply' button. Device
reboot is not required.