Grandstream UCM6100 User Manual for 1.0.9.25 - Manual (Page 254)

Firmware Version 1.0.9.25 UCM6100 Series IP PBX User Manual Page 253 of 303
extensions can be assigned on the UCM6100 to provision the end
device.
• 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
INTERNAL OPTIONS/JITTER BUFFER
Table 77: 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".
Jitter Buffer Size
Configure the time (in ms) to buffer. This is the jitter buffer size used in
"Fixed" jitter buffer, or used as the initial time for "adaptive" jitter buffer.
The default setting is 100.
Max Jitter Buffer
Configure the maximum time (in ms) to buffer for "Adaptive" jitter buffer
implementation, or used as the jitter buffer size for "Fixed" jitter buffer
implementation. The default setting is 200.
Implementation
Configure the jitter buffer implementation on the sending side of a SIP
channel. The default setting is "Fixed".
• Fixed
The size is always equal to the value of "Max Jitter Buffer".
• Adaptive
The size is adjusted automatically and the maximum value equals to
the value of "Max Jitter Buffer".
INTERNAL OPTIONS/RTP SETTINGS
Table 78: Internal Options/RTP Settings
RTP Start Configure the RTP port starting number. The default setting is 10000.
RTP End Configure the RTP port ending address. The default setting is 20000.