Polycom SIP 3.0.2 사용자 설명서
Administrator’s Guide Addendum for the SoundStation IP 7000
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Single Registration
The SoundStation IP 7000 phone supports a single registration.
When the phone is unable to register with the call control server, the icon
When the phone is unable to register with the call control server, the icon
is shown (outline). Once the phone is able to register, the icon
is
shown (solid).
Audio Codecs
The following table summarizes the SoundStation IP 7000 phone’s new audio
codec support:
codec support:
Configuration changes can performed centrally at the boot server:
Algorithm
MIME Type
Bit Rate
Sample
Rate
Rate
Frame Size
Effective
audio
bandwidth
audio
bandwidth
G.722.1C
G7221/
32000
24 Kbps
32 Kbps
48 Kbps
32 Ksps
20ms - 80ms
14 KHz
Lin16
L16/16000
L16/32000
L16/48000
25.6 Kbps
51.2 Kbps
76.8 Kbps
16 Ksps
32 Ksps
48 Ksps
10ms
7 KHz
14 KHz
22 KHz
Siren14
SIREN14/
16000
24 Kbps
32 Kbps
48 Kbps
32 Ksps
20ms - 80ms
14 KHz
Siren22
SIREN22/
48000
32 Kbps
48 Kbps
64 Kbps
32 Ksps
20ms - 80ms
14 KHz
Note
The network bandwidth necessary to send the encoded voice is typically 5-10%
(confirm number) higher than the encoded bit rate due to packetization overhead.
For example, a G.722.1C call at 48kbps consumes 5xkbps of network bandwidth.
Central
(boot server)
Configuration file:
sip.cfg
sip.cfg
Specify codec priority, preferred payload sizes, and jitter buffer tuning
parameters.
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For more information, refer to
on page
and
on page