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Administrator’s Guide Addendum for the SoundStation IP 7000
1 - 3
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
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:
Configuration changes can performed centrally at the boot server:
Algorithm MIME Type Bit Rate
Sample
Rate
Frame Size
Effective
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
Specify codec priority, preferred payload sizes, and jitter buffer tuning
parameters.
• For more information, refer to Codec Preferences <codecPref/>
on page 1-8 and Codec Profiles <audioProfile/> on page 1-9.