Data sheet

P a g e | 320
UCM6200 Series User Manual
Version 1.0.19.27
• Queue Extensions: 6500-6599
• Voicemail Group Extensions: 6600-6699
• IVR Extensions: 7000-7100
• Dial By Name Extensions: 7101-7199
• Fax Extensions: 7200-8200
PBX Settings/RTP Settings
RTP Settings
Table 96: 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.
Strict RTP
Configure to enable or disable strict RTP protection. If enabled, RTP packets
that do not come from the source of the RTP stream will be dropped. The default
setting is "Disable".
RTP Checksums
Configure to enable or disable RTP Checksums on RTP traffic. The default
setting is "Disable".
ICE Support
Configure whether to support ICE. The default setting is enabled.
ICE is the integrated use of STUN and TURN structure to provide reliable VoIP
or video calls and media transmission, via a SIP request/ response model or
multiple candidate endpoints exchanging IP addresses and ports, such as
private addresses and TURN server address.
STUN Server
Configure STUN server address. STUN protocol is a Client/Server and also a
Request/Response protocol. It’s used to check the connectivity between the
two terminals, such as maintaining a NAT binding entries keep-alive agreement.
The default STUN Server is stun.ipvideotalk.com.
Valid format:
[(hostname | IP-address) [':' port]
The default port number is 3478 if not specified.