Basic Settings
Check hostname
Checks whether the certificate belongs to the domain/IP.
FrameSize
Sets the RTP packet size (msec Audio/RTP package).
Jitter buffer
Specifies how many RTP packets can be cached to buffer or compensate for disruptions.
Initial valueInitial prefetch delay value (msec).
Note: The value must lie between Min. prefetch and Max. prefetch. If the Initial value = 0, prefetch is deactivated.
Min. prefetch: Minimum prefetch delay (msec).
Default: 60 msec
Max. Prefetch: Maximum prefetch delay (msec).
Default: 240 msec
Maximum: Delay that can be set for the jitter buffer (msec).
Default: 360 msec
RTP off when silent
Ends the sending of RTP packets if no active conversation is taking place.
Note: If this function is switched on, parts of the call can seem like breaks in the connection because background noises are cut off sharply.
STUN server
Opens the STUN server management.
LLDP
If this function is enabled, LLDP packages are sent regularly to the directly connected LLDP-enabled switch.
LLDP: Interval in seconds
LLDP package sending frequency
30 to 3600 sec
Minimum: 30 sec
Default: 30 sec
Compact SIP headers
If the provider requires it: Uses compact SIP headers to reduce packet sizes.
No TCP for UDP
If the provider requires it: Prevents switching to TCP for large packets.
Note: If this function is switched off, large packets are sent via TCP instead of UDP in accordance with RFC.