User's Manual

Firmware Version 1.0.0.32 UCM6102/6104/6108/6116 USER MANUAL Page 80 of 110
with big jumps in/broken timestamps sent from exotic devices and
programs. The default setting is 1000.
Implementation
The Jitter buffer implementation used on the receiving side of a SIP
channel. Users could select "Fixed" (with size always equals to
jbmaxsize) or "Adaptive" (with variable size which is the new jb of IAX2).
SIP SETTINGS/MISCELLANEOUS
Register
Register as a SIP user agent to a SIP proxy (provider).
Register Timeout
The interval (in seconds) for the
UCM6102/UCM6104/UCM6108/UCM6116 to retry registration. The
default setting is 20.
Register Attempts
Number of registration attempts before the
UCM6102/UCM6104/UCM6108/UCM6116 gives up. The default setting
is 0 (keep trying until the server side accepts the registration request).
Video Max Bitrate (kb/s)
Maximum bitrate (kb/s) for video calls. The default setting is 384.
Support for SIP Video
Enables/disables SIP video support.
Generate Manager Events
Generates manager events when SIP UA performs events (e.g. hold).
Reject NonMatching Invites
When rejecting an incoming INVITE or REGISTER request, always
reject with "401 Unauthorized" instead of notifying the requester that if
there is a matching user or peer for the request.
NonStandard G.726 Support
If the peer negotiates G726-32 audio, use AAL2 packing order instead of
RFC3551 packing order (this is required for Sipura and Grandstream
ATAs).
SIP SETTINGS/SESSTION TIMER
Session Timers
 Originate: always request and run session-timers.
 Accept: Run session-timers only when requested by other UA.
 Refuse: Do not run session timers.
The default setting is "Accept".
Session Expires
The maximum session refresh interval (in seconds). The default setting
is 1800.
Min SE
The minimum session refresh interval (in seconds). The default setting is
90.
Session Refresher
Selects the session refresher to be UAC or UAS. The default setting is
UAC.