Telos VX - SIP and Server Configuration

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16 | Section 2

SIP Conguration

The SIP conﬁguration page shows the global SIP settings, along with a list of all SIP servers VX

is conﬁgured to communicate with. The form at the bottom of the page lets you to add another

server; VX will automatically create server conﬁguration for any line in the Show conﬁgura-

tion. As a consequence it is not possible to delete server entry if it is referenced from at least

one show. The Lines / Refs column shows the number of lines which are explicitly conﬁgured,

and the total number of line positions in shows using this server. Clicking on the link with the

server name will bring you to the server conﬁguration page.

As of VX ﬁrmware version 1.1.0, there are only two global options.

♦ The Default Server changes the server address which will be used for new lines in Show

conﬁguration. Note that this will affect only new lines, existing ones will keep their old

settings (use the SIP Server option to change the server address for existing lines).

♦ Enabling SRV Lookups makes the VX to strictly follow the SIP standard when resolv-

ing domain names. This feature is not widely used and can be left unchecked unless

required by the SIP provider.

Regarding The VX and SIP

Some details regarding the VX’s SIP implementation:

♦ As of the time of writing, the VX supports the g.711 and g.722 codecs. g.711 is the usual

PSTN codec, so ISDN or T1 connections will not suffer any transcoding loss. SIP auto-