IPX-100 system installation & configuration
Page-39
TELECOMMUNICATIONS
3-3-2
Core Options
At this page to set the basic operational parameters of the PBX core to resolve SIP call request
packets.
：
Allow Guest Calls
Whether to allow unknown caller's call request, the options are
as follows
：
No Not allowed (system default).
Yes Allowed
Please note: To avoid hacking attacks, please set this field to
NO.
Allow Overlap Dialing Support
Whether to allow support for overlapping dialing.
Yes
Enable RFC3578 overlap dialing support. You can use an
incomplete application to collect the required numbers
from fuzzy dial plan matches.
No
Turn off support for overlapping dialing (system default)
DTMF Overlapping dialing support is enabled using the DTMF
delivery method in the early media phase. Use
incomplete applications to collect the required
numbers.
Allow All Transfers
Whether to allow all forwarding functions (unless enabled in
the account). Dialing parameter options 't' and 'T' are
independent of whether SIP forwarding is allowed
No Disable all transfer functions.
Yes Enable all transfer functions (system defaults).
Strict SIP Compatibility (Pedantic) Allows checking of labels in headers, international character
conversion in URIs, and multi-line formatting headers for strict
SIP compatibility.
No Not allowed.
Yes Allowed (system default).
Match Username Field
If available, the authentication match uses the "username"
field instead of the "From:" field.
No NO(system default).
Yes
Enable DNS SRV lookups
Enable DNS SRV lookup on outgoing calls.
No Disable (system default).
Yes Enable
