User's Manual

Firmware Version 1.0.0.5
UCM6510 IP PBX User Manual
Page 146 of 192
digits pattern (such as 0000, 1111, 1234, 2345, and etc), or common
digits pattern (such as 111222, 321321 and etc) are not allowed to be
configured as password.
2. Password for extension registration, web GUI admin login, LDAP and
LDAP sync requires alphanumeric characters containing at least
two categories of the following, with a minimum length of 4
characters.
 Numeric digits
 Lowercase alphabet characters
 Uppercase alphabet characters
 Special characters
Enable Random Password
If enabled, random password will be generated when the extension is
created. The default setting is "Yes". It is recommended to enable it for
security purpose.
Disable Extension Range
If set to "Yes", users could disable the extension range
pre-configured/configured on the UCM6510. The default setting is "No".
The default extension range assignment is:
 User Extensions: 1000-6299
 Pick Extensions: 4000-4999
 Auto Provision Extensions: 5000-6299
 Conference Extensions: 6300-6399
 Ring Group Extensions: 6400-6499
 Queue Extensions: 6500-6599
 Voicemail Group Extensions: 6600-6699
 IVR Extensions: 7000-7100
 Fax Extensions: 7200-8200
Note:
It is recommended to keep the system assignment to avoid
inappropriate usage and unnecessary issues.
INTERNAL OPTIONS/JITTER BUFFER
Table 45: Internal Options/Jitter Buffer
SIP Jitter Buffer
Enable Jitter Buffer
Select to enable jitter buffer on the sending side of the SIP channel. The
default setting is "No".