Add A Sip Extension: The Basic Screen - ZyXEL Communications X6004 User Manual

Table 43 Add Multiple SIP Extensions
LABEL
Codec Setting
Codec Pool
Codec List
Apply
Cancel

13.3.2 Add a SIP Extension: The Basic Screen

Use this screen to add a SIP extension to an authority group on the X6004. To access this
screen, click the Add icon in the Authority Group configuration screen.
X6004 User's Guide
DESCRIPTION
Select the type of voice coder/decoder (codec) that you want this extension to use
when communicating with the X6004. The following codecs are supported by the
X6004:
• G.711 a-law (typically used in Europe)
• G.711 u-law (typically used in North America and Japan)
• G.729A
• G.722 (pass-through)
• G.722 AMR-WB (pass-through)
• G.723.1 - you must activate support for this codec in the Configuration > PBX
> Server Configuration > Server screen.
• G.726
See Voice Codecs on page 182
When two SIP devices start a SIP session, they must agree on a codec.
If these SIP extensions are assigned to videophones, you must specify the video
codecs used for video calls. The X6004 allows the following video codecs to
passthrough:
• H.261
• H.263
• H.264
• MP4
See Video Codecs on page 183
This column indicates the codec types not used for these extensions. You can add
a codec type to be used for these extensions by highlighting it and clicking the
Right button.
This column indicates the codec types used by these extensions. You can
organize the priority of the codecs by highlighting it and clicking the Up or Down
buttons to move the codec higher or lower in priority. The SIP extensions attempt
to use the higher priority codecs first and try the lower priority codecs next. You
can remove a codec type from being used from these extension by highlighting it
and hitting the Left button.
Click Apply to save your changes.
Click Cancel to go back to Authority Group configuration page without saving
your changes.
Chapter 13 Authority Group
for more information.
for more information.
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