Sip Settings; Sip Settings/General; Sip Settings/Misc; Table 85: Sip Settings/General - Grandstream Networks UCM6100 Series User Manual

The UCM6100 SIP global settings can be accessed via Web GUI-­>PBX-­>SIP Settings.
SIP S ETTINGS/GENERAL
Realm For Digest
Authentication
Bind UDP Port
Bind IP A ddress
Allow Guest Calls
Overlap Dialing
Allow Transfer
Enable DNS SRV Lookups on
Outbound Calls
MWI From
SIP Domain Support
Domain
From Domain
Firmware Version 1.0.9.26
SIP S ETTINGS
Table 85: SIP Settings/General
Configure the host name or domain name for the UCM6100. Realms
MUST be globally unique according to RFC3261. The default setting is
Grandstream.
Configure the UDP port used for SIP. The default setting is 5060.
Configure the IP address to bind to. The default setting is 0.0.0.0, which
means binding to all addresses.
If enabled, the UCM6100 allows unauthorized INVITE coming into the
PBX and the call can be made. The default setting is "No".
Warning:
Please be aware of the potential security risk when enabling "Allow Guest
Calls" as this will allow any user with the UCM6100 address to dial into
the UCM6100.
Select to enable overlap dialing support. The default setting is "No".
If set to "No", all transfers initiated by the endpoint in the UCM6100 will be
disabled (unless enabled in peers or users). The default setting is "Yes".
Select to enables DNS SRV lookups on outbound calls from the
UCM6100. The default setting is "Yes".
When sending MWI NOTIFY requests, this value will be used in the
"From:" header as the "name" field. If no "From User" is configured, the
"user" field of the URI in the "From:" header will be filled with this value.
Configure the domain for the UCM6100. Incoming INVITE and REFER
messages can be matched against a list of "allowed" domains, each of
which can direct the call to a specific context if desired. By default, all
domains are accepted and sent to the default context or the context
associated with the user/peer placing the call. Register to non-­local
domains will be automatically denied if a domain list is configured. Up to
10 domains can be added.
Configure the domain in the "From:" header of the SIP message. It may
UCM6100 Series IP PBX User Manual Page 258 of 304