Panasonic KX-HTS824, Getting Started

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Slot type Card Name Maximum Number
Trunk/Doorphone Slot LCOT4 1
DPH2 1
Extension Slot SLC8 2
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
Subject Remarks
TDM Trunk Analogue Trunk
TDM Extension Analogue Telephone ( SLT, Fax, etc.)
Doorphone
SIP Trunk SIP Trunk
IP Extension SIP phone
Softphone on a smartphone or personal computer
Others DISA / Automated Attendant / Voicemail /
Conference
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 Connection DSP Resource count
(SIP trunk : G711)
DSP Resource Count
(SIP trunk : G729)
1 TDM Trunk <-> TDM Trunk 0 (TSW) 0 (TSW)
2 TDM Trunk <-> TDM Extension 0 (TSW) 0 (TSW)
3 TDM Trunk <-> IP Extension 1 (DSP) 1 (DSP)
4 TDM Trunk <-> Others 1 (DSP) 1 (DSP)
5 SIP Trunk <-> SIP Trunk
*1
) 0 (P2P) / 2(DSP)
*1
) 0 (P2P) / 2(DSP)
6 SIP Trunk <-> TDM Extension 1 (DSP) 1 (DSP)
7 SIP Trunk <-> IP Extension 0 (P2P) 2 (DSP)
8 SIP Trunk <-> Others 1 (DSP) 1 (DSP)
9 TDM Extension <-> TDM
Extension 0 (TSW) 0 (TSW)
10 TDM Extension <-> Others 1 (DSP) 1 (DSP)
11 IP Extension <-> IP Extension
*1
) 0 (P2P) / 2(DSP)
*1
) 0 (P2P) / 2(DSP)
12 IP Extension <-> Others 1 (DSP) 1 (DSP)
*1
P2P or DSP is selectable for the connection's base setting.
Note
The recommended codec for SIP trunk service is G.711.
2.3.3 System Capacity
35