User's Manual

Firmware Version 1.0.0.32 UCM6102/6104/6108/6116 USER MANUAL Page 77 of 110
 H.263
 H.263p
 H.264
IAX SETTINGS/JITTER BUFFER
Enable Jitter Buffer
Enables the use of jitter buffer on the receiving side of a SIP channel.
Force Jitter Buffer
Forces the use of jitter buffer on the receiving side of a SIP channel.
Drop Count
Configures drop count.
MAX Jitter Buffer
Configures the maximum time (in milliseconds) 0 for the buffer.
MAX Interpolation Frames
Configures the maximum number of interpolated frames the jitter
buffer should return consecutively.
Recync Threshold
Jumps in the frame timestamps over where the jitter buffer is
resynchronized. This feature is useful to improve the quality of voice
with big jumps in/broken timestamps sent from exotic devices and
programs. The default setting is 1000.
Max Excess Buffer
Configures the maximum number (in milliseconds) to pad the jitter
buffer.
Min Excess Buffer
Configures the minimum number (in milliseconds) to pad the jitter buffer.
Jitter Shrink Rate
Configures the jitter shrink rate.
IAX SETTINGS/REGISTRATION
Min Reg Expire
Minimum duration (in seconds) of registrations/subscriptions. The
default setting is 60.
Max Reg Expire
Maximum duration (in seconds) of incoming registration/subscriptions.
The default setting is 3600.
IAX Thread Count
Configures number of IAX threads.
IAX Max Thread Count
Configures maximum number of IAX threads.
Auto Kill
When set to "yes", the connection will be terminated if ACK for the NEW
message is not received in 2000ms. Users could also specify number (in
milliseconds) in addition to "yes" and "no".
Authentication Debugging
Enables/disables IAX related debug output in log messages.
Codec Priority
Configures codec negotiation priority to Caller, Host, Disabled or
Reqonly.
Type of Service
Configures ToS bit for preferred IP routing.
Trunk Frequency
Configures frequency of trunk frames measured in milliseconds.