Panasonic KX-HTS824 Getting Started page 35

Slot type
Trunk/Doorphone Slot
Extension Slot
DSP Resources
The KX-HTS series has a built-in DSP with a maximum of 14 DSP resources.
This DSP is used for switching the TDM and IP terminals.
1.
The definition of TDM and IP
TDM Trunk
TDM Extension
SIP Trunk
IP Extension
Others
2.
Resource count
DSP resources are counted as follows.
The codec typically used for SIP Trunks is G.711. Some countries such as South Africa use G.729.
In this chart, IP extensions are using G.711.
Case
1
2
3
4
5
6
7
8
9
10
11
12
P2P or DSP is selectable for the connection's base setting.
*1
Note
The recommended codec for SIP trunk service is G.711.
LCOT4
DPH2
SLC8
Analogue Trunk
Analogue Telephone ( SLT, Fax, etc.)
Doorphone
SIP Trunk
SIP phone
Softphone on a smartphone or personal computer
DISA / Automated Attendant / Voicemail /
Conference
Connection
TDM Trunk <-> TDM Trunk
TDM Trunk <-> TDM Extension
TDM Trunk <-> IP Extension
TDM Trunk <-> Others
SIP Trunk <-> SIP Trunk
SIP Trunk <-> TDM Extension
SIP Trunk <-> IP Extension
SIP Trunk <-> Others
TDM Extension <-> TDM
Extension
TDM Extension <-> Others
IP Extension <-> IP Extension
IP Extension <-> Others
Card Name
Subject
DSP Resource count
(SIP trunk : G711)
0 (TSW)
0 (TSW)
1 (DSP)
1 (DSP)
) 0 (P2P) / 2(DSP)
*1
1 (DSP)
0 (P2P)
1 (DSP)
0 (TSW)
1 (DSP)
) 0 (P2P) / 2(DSP)
*1
1 (DSP)
2.3.3 System Capacity
Maximum Number
1
1
2
Remarks
DSP Resource Count
(SIP trunk : G729)
0 (TSW)
0 (TSW)
1 (DSP)
1 (DSP)
) 0 (P2P) / 2(DSP)
*1
1 (DSP)
2 (DSP)
1 (DSP)
0 (TSW)
1 (DSP)
) 0 (P2P) / 2(DSP)
*1
1 (DSP)
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