2N Helios IP Configuration manual v2.6 - Manual (Page 67)

67
2N TELEKOMUNIKACE a.s., www.2n.cz
®
Codec 1–4 – set the order of video codecs for call setup: G.711 (PCMA or
PCMU), L16 or G.729. The order defines the codec priority, i.e. the first codec has
the highest priority. Codec G.729 is available in selected intercoms only with a
valid licence G.729.
QoS DSCP value – set the video RTP packet priority in the network. The set
value is sent in the TOS (Type of Service) field in the IP packet header.
Maximum packet size – set the size limit for the video RTP packets to be sent.
H.264 payload type (1) – set the payload type for video codec H.264
(packetisation mode 1). Set a value from the range of 96 through 127, or 0 to
disable this codec type.
H.264 payload type (2) – set the payload type for video codec H.264
(packetisation mode 2). Set a value from the range of 96 through 127, or 0 to
disable this codec type.
H.263+ payload type – set the payload type for video codec H.263+
(packetisation mode 3). Set a value from the range of 96 through 127.
Polycom compatibility mode – set SDP compatibility with some earlier
Polycom and Cisco phone models. If this mode in on, the intercom does not send
the
flag in the SDP message in the video codec offer. sendonly