AudioCodes 310HD Spezifikationen Seite 76

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310HD IP Phone
Administrator's Manual 76 Document #: 299-13801
6.2.2 Codec
Table 6-3: Codec Configuration File Parameters
Parameter Description
voip/codec/0/enabled
voip/codec/1/enabled
voip/codec/2/enabled
voip/codec/3/enabled
voip/codec/4/enabled
Determines the codecs that you want to implement and their priority. Up to
five codecs can be configured, where the first codec (i.e., voip/codec/0/…)
has the highest priority.
0 = disabled
1 = enabled
voip/codec/0/name
voip/codec/1/name
voip/codec/2/name
voip/codec/3/name
voip/codec/4/name
Name of the codec:
PCMA
PCMU
G729
G723
G722
voip/codec/0/ptime
voip/codec/1/ptime
voip/codec/2/ptime
voip/codec/3/ptime
voip/codec/4/ptime
Packetization time. The default is 20 millisecond packets, excluding G.723
which is 10 millisecond packets.
voip/codec/3/bit_rate_hi
Low or high bit rate for G.723.
0 = low
1 = high
voip/codec/4/g722_bit_rate
G.722 bit rate.
64 = 64bps (Default)
56 = 56bps
48 = 48bps
Note: Currently, only 64bps is supported.
6.2.3 Media Streaming
Table 6-4: Media Streaming Configuration File Parameters
Parameter Description
voip/dtmf_payload
Defines the RTP payload type used for RFC 2833 DTMF relay packets. The
valid value range is 96 to 127. The default is 101.
voip/media_port
Defines the starting port range for Real Time Protocol (RTP) voice transport.
Default value is 4000.
Quality of Service (QoS)
voip/media_tos
QoS in hexadecimal format. This is a part of the IP header that defines the
type of routing service to be used to tag outgoing voice packets, originated
from the phone. It is used to inform routers that this packet must receive a
specific QoS. The default is 0xb8.
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