UCM6100 Series User Manual
Version 1.0.18.13
SIP SETTINGS
The UCM6100 SIP global settings can be accessed via Web GUI→PBX Settings→SIP Settings.
SIP Settings/General
Table 96: SIP Settings/General
Realm For Digest
Authentication
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 IPv4 address to bind to. The default setting is 0.0.0.0, which means
binding to all addresses.
Configure the IPv6 address to bind to. The default is : "[::]" and it means to bind
to all IP 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.
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".
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.
If disabled, the UCM will not forward the diversion header.
SIP Settings/MISC
Table 97: SIP Settings/Misc
Outbound SIP Registrations
Configure the register retry timeout (in seconds). The default setting is 20.
Configure the number of registration attempts before the UCM6100 gives up. The
default setting is 0, which means the UCM6100 will keep trying until the server
side accepts the registration request.
Configure the maximum bit rate (in kb/s) for video calls. The default setting is 384.
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